Sealey air impact wrench 14 12 34in sq drive twin hammer sealey sa141 an air impact wrench from sealey suitable for the removal of seized glow plugs on diesel engines features a four position air regulator which provides limited torque settings to suit one hand operation for trigger and forwardreverse control soft grip reduces vibration chill effect and adds comfort handle exhaust helps to lower noise level during use includes five deep impact sockets extension bar and universal