Chasing Hammer 4.5 oz Head - SFC Tools - 37-0365 Steel head has a flat face and a ball face. Handle is calibrated and shaped specifically for precision chasing. Head is mounted on a hardwood handle with a steel pin to keep it in place. Hammer measures 10x2.38x1 (25.4x6x2.5 cm). Flat face measures 1 (2.5cm) diameter. Ball face measures 0.63 (1.6 cm) diameter. Head weighs 4.5 oz (127.6 g). Net weight 6.4 oz (181.4 g).