Crystal glass ball door knobs with zinc alloy base, single hole mounting Why choose these knobs Upgrade appearance and feel: Crystal glass ball provides a comfortable, tactile grip and a refined texture that enhances furniture and cabinetry. Durable and stable: Zinc alloy base adds strength and support to prevent wobbling or premature wear. Easy to install and : Designed for single hole installation with screws included, so you can complete a quick swap without extra parts. Key features Dimensions: 30 x 30 x 38 mm overall; bottom diameter 20 mm for the mounting base. Materials: Crystal glass ball combined with a zinc alloy base for a balance of elegance and durability. Mounting: Single hole design; screws included in the package for straightforward installation. Package contents: 2 door knobs with installation screws. Practical benefits Comfortable operation: Rounded ball shape fits the hand naturally for smooth opening and closing of drawers and doors. Visual appeal: Clear, shining crystal surface adds a refined decorative accent while zinc alloy base provides a solid, polished finish. Low maintenance: Smooth glass surface is easy to wipe clean and resists dulling under normal use. Typical applications Kitchen and bathroom cabinets: worn knobs or add a decorative touch to cabinet doors and drawers. Bedroom and living room furniture: Ideal for dresser drawers, bedside cabinets, and wardrobes. Furniture restoration and DIY projects: Suitable for small furniture updates that use a single hole mounting configuration. What is included Two crystal glass ball door knobs Mounting screws provided for each knob Compatibility and installation tips Designed for single hole mounting. Confirm a 20 mm base clearance or surface area for secure installation. Suitable for cabinet doors, drawers, wardrobes, and similar furniture that accept single hole knobs. This set provides a practical, attractive hardware upgrade with clear specifications and everything needed for a straightforward installation.