The Roughneck Trenching Tamper has a reinforced cast iron head with a perfectly flat face. They have strong but lightweight fibreglass handles with soft cushion grip for comfort.
This Roughneck Earth Rammer (Tamper) has the following specification:
Head Weight: 4.5kg (10lb)
Head Size: 200mm² (8in²)
Handle Length: 1.06m (42in)