Ergo-engineered soft-grip handle to reduce fatigue, absorb shock, and increase comfort during extended use. Full tang blade construction. High-carbon steel blade is individually ground, polished, mirror finished, and clear coated. No. 06100: 1-1/2'' flex putty knife No. 06250: 1-1/4'' XHD putty knife No. 06350: 3'' flex putty knife No. 06570: 4'' flex putty knife, with hammer head No. 06770: 5'' flex putty knife, with hammerhead No. 06870: 6'' flex putty knife, with hammerhead