1. Door Knobs & Levers On Sale
  2. sku: 22672781295243752
  3. MASTER LOCK BC0105KA4S

MASTER LOCK BC0105KA4S Biscuit Knob Keyed Antique 071649270475 Gr.

Bc0105ka4s Master Lock Biscuit Knob Keyed Entry Residential Gr. 3 Antique Brass

( Brand: Master Lock ), ( Manufacturer Part Number: BC0105KA4S ), ( Type: Door Knob ), ( Unit Type: Unit ), ( Color: Beige ), ( Material: Brass ), ( Finish: Antique Brass ), ( Country Of Origin: Mexico ), ( UPC: 071649270475 )

Review MASTER LOCK Biscuit Knob Keyed Entry Residential Gr. Antique Brass

The **Master Lock BC0105KA4S Biscuit Knob** is a timeless, vintage-inspired hardware piece that seamlessly blends classic charm with modern functionality. Crafted with a refined, antique brass finish, this keyed knob exudes an old-world elegance reminiscent of early 20th-century craftsmanship, making it an ideal choice for both restoration projects and contemporary interiors seeking a touch of historical sophistication. The biscuit knob features a smooth, rounded dome design with a subtle, textured surface that enhances its tactile appeal while maintaining a clean, understated aesthetic. Its keyed mechanism ensures secure operation, allowing for easy installation on doors, cabinets, or furniture where a blend of security and decorative flair is desired. The durable brass construction is resistant to tarnishing, ensuring that its rich, golden hue remains vibrant over time, even in high-traffic areas. Whether used in a restored Victorian home, a rustic farmhouse renovation, or a minimalist space with antique accents, this knob adds a layer of sophistication and character. Its classic design also makes it a versatile choice for DIY enthusiasts and professional carpenters alike, offering both form and function in a single, elegant component. Perfect for those who appreciate the beauty of well-crafted details, the **Master Lock BC0105KA4S** is more than just a knob it s a statement piece that elevates any space with its timeless allure.

The **Master Lock BC0105KA4S Biscuit Knob** (also known as the "Antique Key" or "Biscuit" knob) is a classic and stylish door hardware option, but it has distinct advantages and disadvantages depending on your needs. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

---

### **Pros of the Master Lock BC0105KA4S Biscuit Knob**

1. **Aesthetic Appeal**

The biscuit knob has a vintage, antique look that adds charm and character to doors, especially in homes with traditional, farmhouse, or rustic decor. Its brass or bronze finish complements older-style interiors and can serve as a decorative focal point.

2. **Durability and Quality**

Master Lock is a well-known brand with a reputation for producing durable hardware. The BC0105KA4S is made from solid metal, which means it is less likely to warp, crack, or wear out quickly compared to cheaper plastic or hollow-core alternatives.

3. **Keyed Alike or Keyed Different Options**

This knob is available in keyed alike or keyed different configurations, allowing for flexibility in security and convenience. You can coordinate multiple doors to use the same key or assign unique keys for different rooms, which is useful for privacy or security reasons.

4. **Easy Installation**

The biscuit knob is designed for standard door preparations, and Master Lock provides clear instructions. While it may require some basic tools (like a screwdriver and drill), it is not overly complex to install, especially for someone with moderate DIY experience.

5. **Functionality**

It operates smoothly, with a satisfying turn and a secure latch mechanism. The lever-style design is user-friendly, making it suitable for both residential and light commercial use.

6. **Compatibility with Other Hardware**

The biscuit knob can be paired with other Master Lock or compatible door hardware, such as hinges, locks, or decorative plates, to create a cohesive look.

7. **Resale Value**

If you ever decide to sell your home or upgrade, antique-style hardware can be appealing to buyers who appreciate classic design elements. This knob may hold its value better than modern, mass-produced alternatives.

---

### **Cons of the Master Lock BC0105KA4S Biscuit Knob**

1. **Limited Modern Design Options**

The biscuit knob has a very specific aesthetic it is not suitable for contemporary, minimalist, or modern interiors where sleek, flat-panel, or glass hardware is preferred. If you're aiming for a more modern look, this knob may feel out of place.

2. **Higher Cost Compared to Basic Knobs**

While not excessively expensive, the biscuit knob is pricier than standard plastic or basic metal door knobs. The premium price reflects its craftsmanship and decorative value, but it may not be justified if you prioritize cost savings over aesthetics.

3. **Maintenance Requirements**

Brass or bronze finishes can tarnish or develop a patina over time, especially in humid environments. While this can be seen as part of its charm, it may require occasional polishing or cleaning to maintain its appearance. Rust can also form if the metal is exposed to moisture without proper protection.

4. **Weight and Bulk**

The biscuit knob is heavier and more substantial than modern knobs, which might make doors feel slightly heavier when turning. This is generally negligible but could be a consideration for very thin or lightweight doors.

5. **Limited Availability of Replacement Parts**

While Master Lock is reliable, if you ever need to replace just the knob (without the latchset) or find a specific key, you might encounter challenges due to its vintage design. Some hardware stores may not carry exact replacements, and you might need to order online.

6. **Security Concerns (If Not Properly Installed)**

While the knob itself is durable, the security of the door depends on the entire latchset and strike plate. If the door or strike plate is weak, an intruder could potentially force entry even with a high-quality knob. For enhanced security, consider pairing it with a deadbolt or reinforced strike plate.

7. **Not Ideal for High-Traffic Areas**

In commercial settings or areas with heavy use (e.g., public restrooms, offices), the decorative nature of the biscuit knob might not hold up as well to frequent handling or wear. It may show more signs of use over time compared to more robust, industrial-grade hardware.

---

### **Conclusion**

The **Master Lock BC0105KA4S Biscuit Knob** is an excellent choice if you prioritize **aesthetic appeal, durability, and classic design** for your home or a space with a traditional or rustic theme. Its craftsmanship and timeless look make it a worthwhile investment for those who appreciate vintage charm. However, if you are working with a **modern or minimalist interior**, prefer **lower costs**, or need **highly customizable security options**, this knob may not be the best fit.

The knob s strengths lie in its **visual impact and longevity**, while its weaknesses are primarily tied to **limited versatility, maintenance needs, and potential compatibility issues** in non-traditional settings.

---

### **Recommendation**

**Buy the Master Lock BC0105KA4S Biscuit Knob if:**

- You are renovating a home with a traditional, farmhouse, or antique-style decor.

- You value durability and want hardware that will last for decades with proper care.

- You enjoy the vintage aesthetic and are willing to invest in decorative, high-quality door hardware.

- You plan to coordinate multiple doors with keyed alike or keyed different setups for security or convenience.

**Avoid or Consider Alternatives if:**

- Your interior design leans toward modern, contemporary, or industrial styles.

- You are on a tight budget and prefer more affordable, functional door hardware.

- You need hardware that is easier to find replacements for or more widely available.

- The door will experience very high traffic or heavy use, where a more robust option might be better.

**Alternative Options to Consider:**

- For a **modern look**, opt for a **flat-panel or glass door knob** (e.g., Schlage or Kwikset contemporary designs).

- For **budget-friendly alternatives**, consider **brass or stainless steel lever handles** from brands like Weiser or Baldwin.

- For **enhanced security**, pair the biscuit knob with a **deadbolt** or **smart lock** for added protection.

Ultimately, the biscuit knob is a **fantastic decorative piece** for the right setting, but it s important to weigh its pros and cons against your specific needs before purchasing.

Details:

3 Antique Brass Master Lock BC0105KA4S Biscuit Knob Keyed Entry Residential Gr.

part #: bc0105ka4s prices

  • $25.60-$44.17

specifications doorknobsgo:

  • brand: Master Lock
  • mpn: Bc0105ka4s
  • type: Door Knob
  • unit type: Unit
  • color: Beige
  • material: Brass
  • finish: Antique Brass
  • country of origin: Mexico
  • upc: 071649270475

offer doorknobsgo:

  • quantity: 1
  • started: February 3, 2026
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0

general doorknobsgo:

  • condition: Open box
  • Building Hardware > doors Door Hardware > Door Knobs Levers

returns doorknobsgo:

  • time: 30 Days
  • paid by: Buyer
  • method: Money back
  • policy: Returns Accepted

seller doorknobsgo:

  • city: North Salt Lake, Utah
  • rating: 99.6%
  • # reviews: 54280

payments doorknobsgo:

  • credit card: Mastercard
  • other
  • wallet: Google-pay

shipping doorknobsgo:

  • type: Fixed
  • carrier: USPS
  • service: USPS Ground Advantage
  • transit: 4-8 Days
  • cost: $0.00
  • class: Standard
type: door knob, unit type: unit, finish: antique brass, country of origin: mexico,
category: home & garden > building hardware > doors door hardware > door knobs levers, color: beige, material: brass, sku: 22672781295243752,
Master Lock BC0105KA4S Is Similar To:
doorknobsgo logo
2 offers $25.60–$44.17 USD
  • Open box. Offer #1 priced at $25.60 + $0.00 shipping estimate = $25.60* total. 3 Antique Brass. Master Lock Biscuit Knob Keyed Entry Residential Gr.FREE SHIPPING
  • New. Offer #2 priced at $44.17 + $0.00 shipping estimate = $44.17* total. FREE SHIPPING

Copyright © doorknobsgo.com