Moisture Density Hammer 10 pound

Manual, moisture/density hammer meets ASTM and AASHTO specs. It incorporates a 10 lb (4.5kg) weight and a drop of 18" (457mm) with a 2" (51) face. Guide sleeve has four vent holes in each end of sleeve to release built-up air pressure. Machined steel, plated for rust resistance. Features resilient rubber ball handle. Hammer weight: 10 lbs. (4.5kg) Hammer fall: 18" (457mm) H-4170B