Estwing''s dead blow hammers have power from within through the movement of hundreds of steel shot for maximum power and control. Steel canister, with steel shot, and steel handle are completely encased in polyurethane, which is oil and chemical tolerant. Eliminates or minimizes denting and marring. Reduces swing fatigue, sting and vibration.• Soft face helps prevent marring of surfaces & equipment• Eliminates or minimizes denting and marring• Reduces swing fatigue, sting and vibration• Protect your eyes from flying particles and dust.Specifications• Weight: 45 oz / 10.2 kg• Head Length: 4.625" / 117 mm• Overall Length: 14.37" / 364 mm• Face Diameter: 2.25" / 57 mm.Note• Protect your eyes from flying particles and dust• Always wear safety goggles. Bystanders shall also wear safety goggles.