Aluminum or Cast Steel hammerhead housing with high quality wood handle. hammerhead housing comes with an integrated-handle protection sleeve and replaceable white nylon head inserts with hardness 4 on scale of 5. Offers no chipping, noise dampening, a very high impact, oil and grease resistant. Dimensions Aluminium: Overall length: 300mm. Diameter head: 30mm. Length head: 90mm. Weight: 215 gram. Dimensions Cast Steel: Overall length: 300mm Diameter head: 30mm. Length head: 90mm Weight: 340 gram. Dimensions Aluminum Long: Overall length: 350mm. Diameter head: 50mm. Length head: 135mm. Weight: 720 gram. Dimensions Cast Steel Long: Overall length: 350mm. Diameter head: 50mm. Length head: 135mm. Weight: 1130 gram. Note: Inserts can be replaced with inserts of other material and/or hardness for the specific requirement.