Sealey air impact wrench 1 2 sq drive pin clutch sealey gsa03 fitted with reliable low vibration pin clutch mechanism handle exhaust reduces noise output and limits the circulation of brake dust on wheel applications soft grip handle gives added comfort and control features three position adjustable air torque control and reversible action suitable for garage tyre shop and workshop applications sealey gsa03 air impact wrench 1 2 sq drive pin clutch