Make cutting easier with the Century Drill & Tool 8/10T9 Reciprocating Metal Saw Blades. These professional cobalt bi-metal blades have cobalt high speed steel teeth and shatterproof shock absorbing alloy backbones that make them super tough. The reciprocating metal blades come with a 1 in width and heavy duty blade thickness for clean cuts with less vibration in heavy metal cutting applications. They offer fast cuts in 1/8 in-1/2 in thick metal. The saw blades operate at a 1/2 in universal shank with a 5% tilt angle for faster cuts and skid free starts.