Stanley curved claw hammer graphite shaft stanley 1 51 507 this graphite shafted curved claw hammer is lighter than steel hammers improves balance and reduces fatigue for heavy uses graphite inner core giving strength and good shock absorption it has a comfortable slip resistant grip and a jacketed shaft for overstike protectionthe striking face of the head is fully heat treated and rim tempered for strength safety and to prevent chipping during useweight 570g 1 14 lb stanley 1 51 5