SAE Products Heavy Duty Lever Action Grease Gun is designed for heavy duty applications. Features include a heavy duty powder coated barrel, heavy duty follower spring, cast aluminum head with a bulk loader & bleeder valve, soft rubber grip, and variable stroke lever for use in confined areas. Variable stroke lever allows higher greasing pressures from short strokes or high greasing volumes with full strokes. 3-way loader allows cartridge, suction, & bulk loading. Complete with 6" rigid extension & 4 jaw coupler with ball check. SAE Products is an ISO 9001:2015 and AS9100D Certified American Company.