Product Name : Resistor Rheostat;Material : Ceramic, Metal, Resin;Color : White, Dark Green Power Rating : 100 Watt;Resistance Value : 100 Ohm Mounted Hole Dia : 4mm/ 0.157 inch ;Thread Diameter : 9mm/ 0.35 inch Knob Diameter : 5.8mm/ 0.228 inch ;Overall Size : 8 x 7cm/ 3.1 inch x 2.7 inch (D x H) Net Weight : 708g Widely used in blenders, mixers, fans, power tools, educational modeling, load simulations, industrial machinery RPM adjustment, voltage and current adjustment, instruments, and automated control installations, etc. Package Content : 3 x Resistor Rheostat Only the above package content, other products are not included. Note: Light reflection 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.