Stanley curved claw hammer yellow fibreglass shaft stanley 1 51 621 the heat treated forged high carbon steel curved claw head is fully polished and rim tempered for durability and safetythe fibreglass handle absorbs shock and vibration and the textured rubber ensures a comfortable secure griphigh visibility yellow makes the hammer safe and easy to locate in work areasweight 450g 1 lb stanley 1 51 621 curved claw hammer fibreglass shaft 450g 16oz