Bosch Edge Reciprocating Saw Blades start sharp， stay sharp and with Turbo-Teeth technology last up to 3X longer than standard reciprocating saw blades. 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.