Satin finished carbon steel body with 1/2Sq drive for use with ratchet wrenches. Heavy-duty thin double chain. Essential tool for removing commercial air brake filters.Ø73-170mm 1/2Sq Drive Air Dryer Cartridge Chain Wrench• Satin finished carbon steel body with 1/2Sq drive for use with ratchet wrenches.• Heavy-duty thin double chain.• Essential tool for removing commercial air brake filters.• Capacity: Ø73-170mm.• Model No. CV937Model No: CV937:Brand: Sealey:Capacity: Ø73-170mm:PTDSEACV937