The Mumme Tools 4lb (1.8kg) Sledge Hammer with Fibreglass Handle is a well-balanced versatile sledge hammer for building, construction, mining & demolition work. The hardened and tempered steel head ensures precision striking force, durability and longevity. The unique reinforced, ribbed design and shock-absorbing fiberglass handle provides exceptional comfort and control, reducing fatigue during prolonged use. Mumme Tools recognizes the importance of working at heights safely, so a tether hole has been incorporated in this hammer handle, ensuring that this tool is 'Ready 2 Tether'.