Polyurethane Head is Resistant to Cuts, Splits, Abrasions and Extreme Cold Temperatures Steel Shot Filled Head Creates Dead Blow Effect Reducing Rebound from the Striking Surface Steel Handle Welded to Head Assembly for Strength and Durability Polyurethane Head and Rubber Handle are Resistant to Gas, Brake Fluid, Anti-Freeze and Other Solvents Rubber Handle with Texturing and Flared Butt-End for Improved Grip