Solid forged head and shaft for maximum durability and strength. Curved claw leverage for added torque when prying or pulling. Injection moulded grip for comfort. This sure strike hammer is made from forged steel that is tempered for ultimate durability and strength. An oversized "D" shaped face provides a larger contact area for driving nails. Curved claw leverage for added torque when pulling and prying nails or boards. An injection moulded grip provides a comfort for extended use. Estwing Sure Strike Claw Hammer, Size 16oz Forged Steel. Surestrike steel hammer tempered for greater strength with cushion grip makes it ideal for prolonged use. It is a solid forged hammer made from one piece of Steel, giving it great strength and durability. Solid forged hammer Great balance 16oz Weight Curved claw for easy use. Surestrike hammer with a specially designed curved claw head, smooth face, a steel shaft and injection moulded grip.Weight 450g (1 lb).