Crystal drawer knobs with zinc alloy base and matching screws. Clear, faceted crystal knobs reflect light from all directions to add subtle elegance to cabinets, drawers, and furniture. Key benefits Clear crystal finish adds visual depth and reflects room light for a refined look. Zinc alloy metal base is sturdy and rust resistant for long lasting use. Scratch resistant and color stable so knobs maintain their appearance without cracking or fading. Simple installation with included screws for most standard drawers and doors. Product specifications Material: transparent crystal knob with zinc alloy base Color: transparent Diameters available: 20 mm, 30 mm, 40 mm (about 0.79 in, 1.18 in, 1.57 in) Heights available: 23 mm, 30 mm, 34 mm (about 0.91 in, 1.18 in, 1.34 in) Package contents: 10 crystal handles with matching screws Unit conversions: 1 inch = 2.54 cm; 1 cm = 10 mm Installation and compatibility Each knob includes a matching screw sized for standard drawers and cabinet doors. For thicker panels, drill a small hole and insert the screw from the inside, then fasten the knob from the outside. Designed for easy retrofit on kitchen cabinets, dresser drawers, bathroom vanities, wardrobes, and furniture drawers. Practical use scenarios Kitchen refresh: old cabinet pulls with clear crystal knobs to brighten the space without repainting cabinets. Bedroom upgrade: Install on a dresser or nightstand to add a subtle decorative accent and improved grip. Bathroom makeover: Use on vanity drawers and medicine cabinets for a coordinated, durable finish. Attention Color may vary slightly from images due to lighting and screen differences. Please allow a 1 to 3 mm difference due to manual measurement.