Rugged, nickel-plated frame made of heavy gauge steel. Adjusts for 8", 10" and 12" blades. Blade rotates to four cutting positions. Designed with guard to protect knuckles. Comfortable flexible vinyl grip permanently bonded to full-length wrap-around "D"-shaped steel handle plate. 17-3/4" O.L. 3-1/2" throat depth. Includes 10" alloy steel blade. The High Speed Hacksaw Blades are made of molybdenum high speed steel. Fully heat-treated to resist wear. Cuts most metals including unhardened tool steel and stainless. Blades are 1/2" wide and .025" thick.