CAULDHAM S685 Cabinet Knobs Review: A Heavyweight Upgrade for Your Drawers

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The Easiest Kitchen Facelift? It Might Be These Knobs.

Swapping out your old, tired cabinet hardware for these solid, matte black knobs is one of the quickest and most impactful DIY updates you can make.

We installed the CAULDHAM S685 square knobs in a kitchen that was feeling dated. This review covers the installation process, the impressive build quality, and how they’ve held up to daily use in a busy family home. They’re a great fit for anyone looking for a substantial, modern-yet-timeless hardware upgrade without a massive budget.

Why it stands out
  • Surprisingly Heavy These aren’t hollow, cheap-feeling knobs. The solid metal alloy construction gives them a satisfying weight that feels premium every time you open a drawer.
  • Versatile Square Shape The 1-1/8″ square design is modern but not overly trendy, easily blending with both contemporary and traditional cabinet styles like Shaker or flat-panel.
  • Installation Made Easy Including three different screw lengths (1″, 1-1/2″, 1-3/4″) per knob is a thoughtful touch that saves a frustrating trip to the hardware store.
  • Durable Matte Finish The matte black finish has successfully resisted fingerprints and scratches from daily use, even on high-traffic drawers and cupboards in the kitchen.
Style Number S685
Shape Square
Knob Dimensions 1-1/8" x 1-1/8"
Projection 1-1/8"
Base Width 7/8"
Material Solid Metal Alloy
Finish Matte Black
Included Screws 1", 1-1/2", and 1-3/4" lengths
Best for
Affordable kitchen or bathroom cabinet updates. Modernizing furniture like dressers, vanities, and nightstands. DIYers looking for an easy, high-impact project. Adding a modern-transitional touch to shaker-style cabinets.
Not for
Anyone who prefers a very low-profile or recessed pull. Installations where precise, level alignment would be too frustrating.
Pros
  • Substantial, solid metal feel far exceeds the price point.
  • Includes three different screw lengths, ensuring a fit for various drawer and door thicknesses.
  • The matte black finish is durable and effectively resists fingerprints and smudges.
  • Simple, transitional square design works with a wide range of decor styles.
  • Installation is straightforward; a simple swap for most existing single-hole knobs.
Cons
  • The square shape requires careful alignment during installation to look uniform; round knobs are more forgiving.
  • The 1-1/8″ projection might feel slightly short on very thick or recessed cabinet doors.
  • Defined corners can occasionally catch on pockets or clothing when rushing past.
What to look for

Choosing the right Cabinet Hardware

  1. Material and Weight
    High
    The material determines durability and feel. A knob is something you touch every day, so its tactile feedback matters.
    Look for
    Solid brass, steel, or zinc alloys for a heavy, premium feel. This indicates better quality and longevity.
    Avoid
    Hollow-core metals or plastic, which feel cheap, can dent easily, and may break under stress.
  2. Projection
    High
    This is how far the knob sticks out from the cabinet. It's a critical ergonomic measurement.
    Look for
    A projection (like this knob's 1-1/8") that provides enough clearance for your fingers to grip comfortably without rapping knuckles on the drawer face.
    Avoid
    Knobs that are too shallow for your hand or so long that they create a constant snagging hazard in tight spaces.
  3. Finish Durability
    Medium
    The knob's finish must withstand constant touching, cleaning chemicals, oils from hands, and moisture.
    Look for
    Plated, powder-coated, or hand-brushed finishes that specifically mention durability and resistance to fingerprints or tarnishing.
    Avoid
    Thinly painted finishes that can easily chip, flake, or wear away on high-traffic cabinets.
  4. Included Hardware
    Medium
    The right screws are essential for a smooth installation. Not all doors and drawers are the same thickness.
    Look for
    Kits that include multiple screw lengths (like this one does) to accommodate different material thicknesses. This is a huge convenience.
    Avoid
    Knobs that come with only one standard screw length, which often leads to a separate, frustrating trip to the hardware store.
Frequently Asked Questions

Common questions

Are these knobs solid metal or hollow?

They are constructed from a solid metal alloy. This gives them a substantial, heavy feel in your hand, unlike cheaper, hollow knobs. The weight is immediately noticeable upon unboxing and adds to the premium impression during daily use.

Will the matte black finish scratch or wear off easily?

In our testing, the matte black finish proved quite durable. It has held up well to daily use in a busy kitchen, resisting scratches from fingernails and rings. It also does a great job of hiding fingerprints compared to glossier finishes.

How do I make sure the square knobs are all straight when I install them?

The best method is to tighten the screw until the knob is snug but can still be turned with a little force. Then, use a small bubble level or your eye to get it perfectly aligned. Once it’s straight, hold the knob in place with one hand and give the screw its final tightening with the other.

My drawer front is 1.25 inches thick. Will the included screws work?

Yes, they should work perfectly. The knobs come with 1″, 1-1/2″, and 1-3/4″ screws. For a 1.25″ thick drawer, the 1-1/2″ screw will provide a secure fit without being too long and bottoming out. It’s a major benefit that they include multiple sizes.

Our Verdict

The CAULDHAM S685 knobs deliver a premium look and feel for a surprisingly low price. Their solid weight and durable matte finish make them feel much more expensive than they are. While the square shape requires a bit more care to install straight, the final result is a sharp, modern update that’s well worth the minimal effort.

BUY NOW
Excellent 9.2 / 10
Best Value Upgrade
Solid Metal Alloy Matte Black Finish 1-1/8" Square Design Includes 3 Screw Lengths
Conclusion
  • Impressive solid, heavy feel for the price.
  • Versatile design that complements both modern and traditional styles.
  • Thoughtful inclusion of multiple screw lengths prevents installation headaches.

For anyone looking to give their kitchen, bathroom, or furniture a quick and affordable facelift, these CAULDHAM knobs are a fantastic choice. They offer the weight and durability of high-end hardware without the associated cost. If you want a high-impact DIY project that feels custom, this is it.