Product Description MUMME 10lb (5.5kg) Brass Sledgehammer7HBRFRH10 Suitable for use in non-sparking environments & for applications where risk of chipping needs to be minimised Brass heads are pinned through the steel core of the fibreglass handle for added safety Harder wearing brass has a longer lasting life compared to copper Steel core is immersed in glue, with the pin in a blind hole to avoid sparking Includes tether hole for working at heights