Alemlube Trigger Action Grease Gun 660ANThe ultimate greasing tool. Grease pressures of up to 8,500psi (586bar) Delivers up to 1. 1g of grease per stroke Twin Lock System seals the piston and eliminates the possibility of dummy lubrication Ever Flow System enables the gun to be used with thick tacky greases even in the coldest conditions High volume high pressure option facilitates fast and efficient greasing Coarse thread on barrel assembly eliminates the possibility of cross threading