Plumb Bobs,cast iron or carbon steel,Chrome plated or lacquered.Size:100g,200g,300g,400g,500g,600g-1500g,2000g Plumb Bobcast iron or carbon steel,surface treatment:Chrome plated or lacqueredSize:100g,200g,300g,400g,500g,600g-1500g,2000g package:carton OR as requestedwe are professional building tools factory,we can supply you differenet kinds of plumb bob.other tools are aslo available,such as ...