Wirewound Ceramic Potentiometer Linear Rheostat Resistor 150W 30 Ohm Product Name : Rheostat;Material : Ceramic, Metal;Color : As Picture Shown Power Rating : 150 W;Resistance Value : 30 ;Mounted Hole Dia : 9.5mm/ 0.37" Bottom Screw Diameter : 3mm/ 0.12";Bottom Base Diameter : 93mm/ 3.6" Shaft Size : 37 x 6mm/ 1.5" x 0.24"(L*D);Body Size : 103 x 39mm/ 4" x 1.6" (Max.D*T) Net Weight : 470g;Package Content : 1 x Rheostat