DescriptionThis item is made of plastic material for durable and long lasting use. It central spindle is 0.8cm. It is great tool which can provide help in stove switch replacement.Features- Color: Black - Material: Plastic - Size: About 4.4 x 4 x 2.5 cm. - Made of plastic material, the knob is durable and long lasting use. - It is suitable for gas stove switch replacement. - Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! Thank you!