uxcell Plastic Hexangular Water Heater Knob 3 Pcs Off White Product Name : Water Heater Knob;Color : Off White Material : Plastic;Size(Approx) : 3.8 x 3cm/1.5" x 1.2" (D*H) Mount Hole Dia.(Approx) : Big: 7.5mm/ 0.3" Weight : 22g Package : 3 xWater Heater Knob