This Multi-purpose Ball Pein Hammer Set includes a collection of the 5 most popular sizes of ball-pein hammers used for maximizing impact force to struck surfaces with the dual-headed flat and ball-peen faces. Commonly used for a variety of metalworking application for bending, shaping, rounding and peening all types of metals, making it the ideal tool for both machinists and engineers. This versatile hammer set is forged by heat treatment of high-carbon steel for tensile strength and toughness, then engineered to have fiberglass handle with soft-grip rubber to enhance shock absorption and reduce rebound from vibrations. The flat-end of the hammer can be used for rounding off edges of metal pins and fasteners such as rivets for metalworking. The ball-pein end of the hammer is utilized for bending and shaping of all types and sizes of metal. Our ball-pein hammer set are able to transfer more peak impact force for hardening struck surfaces than conventional solid-head hammers.