Moonlight Concave Knob
Tips：Please indicate your door thickness in the 'Order Remarks' so we can include the appropriately sized mounting hardware with your shipment.
✔️We offer 15-day returns and exchanges after you receive your item.
✔️Enjoy free new replacements for any items damaged during delivery.
The Art of Floating Stone
Design Inspiration
Unique Stone Mortise and Tenon Technology
Our hardware features an innovative stone mortise and tenon joint system that precision-embeds high-strength metal anchors directly into the natural stone.
This internal reinforcement provides invisible structural integrity, ensuring a secure and stable connection between the stone handle and the door without visible screws. Available in brass or stainless steel configurations, this technology is engineered to preserve the raw, uninterrupted beauty of the stone while meeting standard installation requirements.
Precision-Engineered Protection for Global Transit
To ensure our delicate natural stone masterpieces arrive in pristine condition, we have engineered a multi-layered packaging protocol designed for the rigors of international shipping. Each product is first encased in High-Density EPE Anti-Collision Foam to absorb kinetic energy and prevent surface scratching. This is followed by an ultra-strong, 5-Layer Double-Wall Corrugated Kraft Carton, specifically selected for its superior puncture resistance and structural rigidity during long-haul sea or air freight.
Nature’s Unique Craftsmanship
The Essence of Stone:
Harvested from premium quarries, every piece of travertine is a masterpiece of nature. Variations in color, texture, and veining—ranging from Ivory White to Beige—are not flaws, but the unique DNA of natural stone. Whether Vein Cut or Cross Cut, no two handles are ever identical.
Our Standard:
We adhere to strict EU/US export quality standards. While we embrace nature’s randomness, we meticulously curate every piece to ensure you receive a product that is both premium in quality and one-of-a-kind in character.
Elevate Your Space with Curated Hardware Finishes
At ABC-STONE, we believe that true luxury lies in the details. While our default finishes are a timeless Matte Black and a sleek Bright Silver, we offer a curated palette to perfectly match your interior's metallic hardware or color scheme.
Choose from Titanium (Gold), Rose Gold, and Retro Black to create a cohesive and sophisticated look.
Standard Colors (Ready-to-Ship): Matte Black or Bright Silver
Bespoke Finishes (Custom Order): Titanium, Rose Gold, Retro Black
A Friendly Note on Custom Finishes: Please kindly understand that our bespoke hardware finishes are made-to-order just for you. As such, they are non-refundable and non-exchangeable. Please feel free to consult with our team to ensure the perfect color choice for your project before ordering!
All-Inclusive Installation Kit
Complete with all accessories—ready to install right out of the box.
Each pair of handles includes a complete professional hardware set, so you don’t need to purchase any additional parts. Every order is shipped with:
- Pre-Embedded Internal Anchors: High-strength tenons built directly into the stone for a seamless look.
- Professional Mounting Bolts: Premium Brass or Stainless Steel bolts designed for long-term durability.
- Precision Expansion Sleeves: Specifically sized for 12mm door holes to ensure a stable, anti-loosening fit.
- Protective Gaskets: Included to ensure a secure fit while protecting your door surface.
Frequently Asked Questions
For more questions about products/distribution, please check the FAQ page.It depends on where you are. Orders processed here will take 5-7 business days to arrive. Overseas deliveries can take anywhere from 7-16 days. Delivery details will be provided in your confirmation email.
No—under normal use, provided the internal structure is correctly engineered.
Most fracture problems stem from incorrect drilling methods, insufficient wall thickness, or drilling through areas with high porosity.
ABC-STONE systematically controls drilling locations, stone wall thickness, and internal hardware reinforcement to ensure structural stability.
Vein Cut features linear, flowing textures for a modern look. Cross Cut reveals circular patterns and natural pores for a more rustic, organic feel. Both are available in shades from Ultra-White to Classic Beige.
Our handles are compatible with 95% of standard split-type lock bodies. We strongly recommend pairing them with Magnetic Silent Latches. The quiet, smooth closing of a magnetic lock perfectly complements the heavy, premium feel of natural stone.
Yes — when the product is specified for commercial use.
This is possible, provided the structure is configured according to commercial use standards.
For restaurants, hotels, cafes, and retail spaces:
Higher levels of internal reinforcement are required.
A higher number of opening and closing cycles are necessary.
Door weight and frequency of use must be considered.
ABC-STONE will adjust the internal structural design based on the intensity of use.
No, we do not process customer-supplied stone.
This is because the density, porosity, and internal defects of externally sourced stone are uncontrollable.
To ensure safety and long-term stability, all stone must come from ABC-STONE's controlled supply system.
No—and that is intentional.
Natural travertine stone exhibits natural variations in the following aspects:
Color tone.Texture.Pore distribution
We guarantee consistency in overall style and quality, but we do not artificially eliminate these natural variations.
Yes — for distributors targeting premium projects.
Suitable applications include:
Boutique hotels, high-end restaurants, design-oriented commercial spaces, high-end custom homes.
It is not designed for low-cost, high-volume retail.
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Customer Reviews
Why ABC-STONE Handles?
A tactile dialogue between nature and architecture.
| Experience | ABC-STONE | Standard Hardware |
|---|---|---|
| Materiality | Solid Natural Minerals (Marble, Jade, Onyx) | Synthetic Resins or Thin Veneers |
| Uniqueness | One-of-a-kind geological veins. No two pieces are alike. | Mass-produced, identical patterns. |
| Tactile Feel | Natural temperature and a solid, grounding weight. | Hollow, cold metallic or plastic feel. |
| Craftsmanship | Hand-polished stone + PVD Electroplated Alloy. | Thin factory coating; prone to peeling over time. |
| Design Value | "Jewelry for Architecture" — A lasting conversation piece. | Purely functional tool for basic utility. |