OTTFF 10 Pack BIG SIZE 1.5 inch Glass Cabinet Knob Clear Dresser Knobs Handle for Furniture Kitchen Cupboard Drawer Dresser Pull, Weight 100g - Crystal Dia. 40mm High Quality K9 Crystal, K5 Glass Hardware: Clear cut crystal glass and alloy base, shiny polished chrome, glittering and sparking, diamond shape, good decoration for your home or office. Bigger Size: Crystal diameter: 40mm. Knob height: 50mm. Base diameter: 25mm. Weight 100g/1Pcs. Easy to install: Find the position where you want to install on the board and drill a hole , then pass through the screw from the back of board anf thread tight to the knob. Equipped with 2 types of screws: Breakaway Screws and Regular Screws to meet different length requirements. Breakaway ScrewsLength 0.9~1.9inch ,The Breakaway screws can be cut according to the thickness of your drawer. You can refer to Figure 5 OR check Product description --&gt;how to break breakaway screws?. Money SavingThis well made crystal knob is over $4 per knob in US hardware store .