Industrial grade 3" wide 7.5" long pneumatic air chisel Made of high quality drop forged steel alloy, designed specifically for high impact stresses, hard and durable with long life time 0.401 inch shank, compatible with all standard 0.401 inch air hammers and air chisel hammers Works great for tile, thinset, plaster, mortar, glue and other stubborn adhesives One piece design, fully hardened and tempered shock resistant tool steel Made of high quality drop forged steel alloy, designed specifically for high impact stresses, hard and durable with long life time,0.401 inch shank, compatible with all standard 0.401 inch air hammers and air chisel hammers