Uxcell Rotary Button Switch Product name : rotary button switch; material : plastic, metal; Type : rotary selector switch; positions : 3 Ith : 10A; ui : 660V; terminal Number : 4 Contact Type : 1 no(normally open) + 1 NC(normally close); mounting hole diameter : 2.2Cm/0.87"(7/8"); fit panel thickness : 0.5Cm/0.2" Button diameter (approx.) : 2.3Cm/0.9"; knob length : 3.5Cm/1.4"; total size (approx.) : 7.2 x 3.6 x 3Cm/2.8" x 1.4" x 1.2" (l*w*t) Button color : Black; weight : 40G; Package Content : 1 x rotary button switch