Lightweight and easy to use manufactured from highest quality engineered plastic 05 litres per stroke 30 litres per minute approx threaded 2 and 1 12 bsp thread piece telescopic riser extends to 36 914mm viton seal weight 1kg suitable for light oils paraffin diesel alcohol water water based chemicals mild solvents anti freeze weaker acid and alkali solutions etc polypropylene and fibre mix of body components stainless steel piston rod