- Used to compact soil samples for moisture-density relationship (Proctor) testing.
- Constructed from rust-resistant plated steel and have a 2in (51mm) circular face.
- Hammer masses are enclosed in guide sleeves with vent holes to insure unrestricted free-fall.
Compaction Hammer: 10lb (4.5kg) mass and 18in (457mm) drop.
- 31×2.2in (787x55mm) LxDia.