Product Name: Gas Stove Cooker Control Knob;Color: Black Material: Plastic;Size(): 4.2cm*2.2cm / 1.65" x 0.87"(D*H) Mount Hole Dia(): 8mm / 0.31" Weight: 26g These black plastic Control Knobs are great to replace the damaged one for your Gas Stove Cooker. Built in a hole for easily mounting, rotary switcH. Quite easy to use. Package Contents: 6 x Gas Stove Cooker Control Knob Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.