Stanley curved claw hammer yellow fibreglass shaft stanley 1 51 623 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 570g 1 14 lb stanley 1 51 623 curved claw hammer fibreglass shaft 570g 20oz