Features and Benefits: * Extra thick, extra wide blade for all types of hard to cut demolition work * Straight cuts in metal, pipe and steel; used in rescue work * Universal 1/2" shank fits all types of reciprocating saws * One blade per package Professional bi-metal reciprocating saw blades are designed for professional grade applications. Each blades consists of cobalt high speed steel teeth, electron beam welded to a alloy backbone, to provide flexibility and performance. 1/2" universal shank fits all popular reciprocating saws.