14oz Estwing Rockhounding Hammer Grinding Abrasive Approximate size for 1 piece:

Approximate size for 1 piece: 8

Weight: 138g

or anything over standard slab thickness (4mm) should be drilled with these

Formed within ancient igneous rock under conditions of slow cooling

14oz Estwing Rockhounding Hammer Grinding Abrasive Approximate size for 1 piece:Description: This 14oz Estwing Rockhounding Hammer is the best option for kids. The weight is lighter so it is easier to swing. Estwing is by far the most favored brand among rockhounds and geologists. The hammers are the best quality available. The hammers have bonded and molded Shock Reduction Grip offering the utmost in both comfort and durability, while reducing vibrations caused by impact. The head and handle are forged as one solid piece and