Manual, Moisture/Density Hammer meets AASHTO Specs. It incorporates a 10 lb (4.5kg) weight and a drop of 18"" (457mm) with a 2"" (50.8) 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. AASHTO T180. Shipping wt. 18 lbs. (8.3kg)

M&L Testing Equipment, 31 Dundas St. E. (Hwy#5),Dundas, Ontario, L9H 7H8,Canada info@mltest.com Phone: (905) 689-7327 Toll free: 1-800-263-9244, (905) 689-3978