This is Gas Stove button which is made of plastic material for durable long time lasting use. The appearance is nice, and the material is very good. Gas cooker or other burner adjustable knobs. Ergonomic design is reasonable and offers good touch and control feeling. Suitable for home or restaurant use. Unique design of gas furnace knob, easy to hold, simple operation. Features -Color:Black -Material:Plastic -Size:4.50X4.50X2.00cm/1.77X1.77X0.79in -The Gas Stove Knob is widely applicable to most kinds of gas stoves. -Great for you to replace the damaged knob on your gas stove cooker. -Good material, durable and sturdy, not easy to deform and break. Unique design of gas furnace knob, easy to hold, simple operation. -Ergonomic design, reasonable structure, provide a good sense of touch and control, reliable and practical. -The gas stove knob is easy to hold tightly and operate, very convenient and practical. Package list: 5 x Stove Knobs