The Spec Ops Tools 4 LBS Engineering Hammer is a compact powerhouse. This model includes a removable, Santoprene malletcap for non-marring applications. This sledge is equipped with a shock-absorbing grip to dampen vibration and preserve your arm. The handle is protected from overstrike damage with a composite armor collar; Handle is also compatible with SRS Retention System. All Spec Ops tools are backed by our limited lifetime warranty and 3% of sales donated to veteran causes.