with plastic container, double pump and rotary piston, the all-metal construction has a main and head pump, the gravity-guided, rotating-bearing suction piston ensures complete emptying of the container, when used upside down, the head pump provides full oiling effect, container material ND-PE, pumping mechanism is made of brass, stroke volume main pump 0, 2-1.5 ml, head pump stroke volume 0.2-0.8 ml, spray tube length 130 mm