Another Great tool from Acdelco 

18V 1/2" SUPER TORQUE IMPACT WRENCH KIT ARI20119AEU

We are pleased to offer this very powerful high output impact wrench, to be used for heavy duty machinery, I deal for Commercial, agricultural, and Marine, will undo up to 1200 Nm (959ft lb) will tighten to 900Nm (660ft lb) this is one of the most powerfullest Impact drivers you can buy. 

1350Nm for max. reverse application. 

0-1,700 rpm / 0-2,000 ipm for faster speed application. 

New more powerful 4 Amp Batteries and quicker recharge time

Battery indicator shows battery status. 

Durable metal gearbox housing. 

Anti-slip soft grip provides comfort and good protection during work. 

Max. Tightening Torque 900Nm 

Tool Weight 7.04 lbs (3.20 kg) 

Kit includes: Impact wrench, charger, x 2 Li-ion batteries and carry case.