Stanley graphite ball pein hammers stanley 1 54 712 the stanley engineers ball pein hammers are designed with a solid graphite core shaft these hammers offers long life and durability and have a rim tempered poll and ball pein to prevent chipping during usethe hammers also have a patented head to handle assembly for improved safety and the comfortable handle is made from a vinyl compoundweight 340g 34lb stanley 1 54 712 ball pein hammer graphite 340g 12oz