SAE Products Pistol Grip Clear Barrel Grease Guns allow for immediate recognition of an installed cartridge, or the amount of grease inside the barrel. Features include a hi-tech poly carbonate shatter-proof see-thru barrel, variable stroke lever which allows higher greasing pressures from short strokes or high greasing volumes with full strokes. Features CNC machined aluminum die cast head with bulk loader which doubles as an air bleeder, and zinc plated pull handle. Complete with 12" flexible hose, 4" steel extension & 4 jaw coupler with ball check. SAE Products is an ISO 9001:2015 and AS9100D Certified American Company.