Hex Shank Size:1/4" in   /  6.35mm

Capacity:5/32"  /  5mm

Free Speed RPM:10000

Max toruqe:20-60 In-lbs   /  23-69 Kgs-cm

Air Inlet(PT):1/4"

Air Hose(ID):3/8"

Avg.Air Consumption:5 cfm  /  142 I/min

Sug.Air Comp(HP):1.5