Wheel Size: 25/32"(20mm)
Spindle Thread: M7-P0.75mm
Free Speed: 35,000rpm
Overall Length: 5.5"(140mm)
Air inlet: 1/4 inch
Air hose I.D: 3/16 inch
Air Consumption: 4.2cfm(120L/min)
Weight: 0.15kg(0.32lb)