Large torque impact air cannon auto repair air pneumatic demolition spanner motorbike car van mini small air cannon tool Specification:1/2 inch Square head size:12.5mm Strike structure:Double hammer Blade length:38mm Speed:10000rpm Torque:610n.m(61kg) Working Pressure:90psi/6.3kg/cm² Air inlet port:1/4’ Strike shaft length:4.9in/125mm Exhaust Method:Downward Exhaust Forward and Reverse - Adjustable Speed Weight:1.68kg Packing size:150*182*62mm Packaging:Carton packing