Manual Sleeve Compaction Hammer conforms to ASTM D558, ASTM D698 and ASHTO T99 standards.

• Hammers have a 2 inch (5.1 cm) diameter face.
• Drop height is 12″.
• Loosely fitting guide sleeve controls drop height without restricting the free fall of the weight.
• The weight is mounted on the end of a rod.
• Guide sleeves have four vent holes at each end to allow free air flow during use.
• Shipping wt. 12 lbs.

Also see the 10 lb. Modified Compaction Hammer