Halder 3007.100 Simplex Sledgehammer with Superplastic Inserts Cast Iron Housing and Hickory HandleGeneral Information Brand Halder Part Number 3007. 100 Product Type Sledgehammers Packaging Bulk Country of Origin Germany UPC 4030618300861 California Residents Proposition 65 Warning Physical Characteristics Length 1000 mm Width 200 mm Weight 5. 21 kg 11. 48 lb Material Superplastic, Hickory Handle Diameter 100 mm Details Features SIMPLEX sledge hammer with superplastic inserts on both sides (white, medium hard, very durable). Cast iron housing with