The hammer-head is head-treated Chromium/Molybdenum alloy steel. Used when maximum energy is required. Proven to be effective on Class-3 exterior doors and block walls. Collet locking chuck provides 360° of gripping force around the shaft, which is high-strength stailess-steel. The handle is onstructed of high-grade heat-treated aluminium and is furnished with hard, anodised coating on the handle as well as an anti-slip Knurl-pattern cut into it for a positive grip. Lanyard connection on the end-cap.