uxcell 6mm Dia Shaft Clockwise Increase 5-Digit Rotation Rotary Counter Product Name : Revolution Counter;Model : 75-I;Digit Display : 5 Range : 0-99999;Max. Rotate Speed : 350 r/min;Shaft Diameter : 6mm/ 0.24" Body Size : 8.5 x 5 x 5.7cm/3.3'' x 2'' x 2.2'' (L*W*T);Total Length : 16.5cm/6.5";Mounted Hole Diameter : 5mm/ 2" External Material : Metal;Color : Gray, Silver Tone Net Weight : 245g;Package Content : 1 x Revolution Counter