❤ The water heater knob is made of high-quality plastic, wear-resistant and durable, and has a long service life. ❤ The gas stove knob with raised handle is easy to grip and operate. ❤ The adjusting knob is small and light, convenient for storage, and does not take up too much storage space. ❤ The knob with 6mm (0.24'')/7.2mm (0.28'') shaft hole is durable. ❤ It is widely used in most gas stoves and water heaters to adjust firepower or water temperature.