HIGH QUALITY MATERIAL: stove knobs made of high quality metal, highly abrasion resistant, and durable. COOKER KNOBS SHAFT DIAMETER:Built-in 6mm hole for easy installation, surface easy to clean. COOKER KNOBS DESIGN: Small size and light weight, modern, and elegant design. MULTIPURPOSE:A good accessory for the home kitchen, perfect device for the family or restaurant kitchen, widely used for the kitchen stove, stove, oven, etc. NOTE: Make the Cooker Knobs is compatible with your Cooker size (6mm) purchasing it.According to customer comment, Knobs is not recommended to use kitchen appliances that are directly used on the 220V power supply. Colour: silver Material: metal Size: 39 x 8mm Package Contents: 6 x Stove Knobs 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.