The hammer handle is made of a barbed wood. Size: Φ1.4 x 4.7 x 11.4 inches (35 x 120 x 290 mm), Weight: 22.2 Peg Size: 11.8 inches (300 mm) (head diameter: 0.6 inches (15 mm) / Insert diameter: 0.3 inches (8 mm) / Weight: 6.3 oz (180 g) x 6 Material: S55C steel (black electrodeposition)