- Compact size and low weight perfect for the tool box. - Two-sided, heat-treated tool steel head with replaceable plastic face on one side. - Dice Grip handle provides comfort and control while absorbing vibration. The Hammer is a professional quality, efficient, mechanic's hammer perfect for the tool box or shop, and ready to tackle all your bicycle hammering needs. The Hammer features two-sided, heat treated tool steel head with a replaceable plastic face on one side. It features a compact 10.75" (275mm) length, 550g weight, and Dice Grip handle for comfort, control, and vibration absorption. The Hammer head diameter is 1 inch (25.4mm). The soft face tapers down to about 24mm.