Saw blades start sharp, stay sharp and last up to 3x longer with Turbo-Teeth technology Designed for extreme cuts for tough construction uses, these blades deliver the best performance for pro-cutting applications The Edge's exclusive Turbo-Teeth design, performance-optimized blade geometry and Swiss-made reliability add up to a line of blades that deliver results.Includes:9 in 8/10 TPI Edge Reciprocating Saw Blades