The Extreme Runtime series of accessories have been designed primarily to give maximum performance with DeWalt Flexvolt power tools. These reciprocating saw blades are constructed with M42 HSS steel and have a tough coat outer later for reducing heat and friction, delivering enhanced performance and longer life time. Features and Benefits • Optimised for Flexvolt Power Tools • Increased Efficiency for maximum Cordless Run Time • Full Tooth HSS • M42 HSS (+8% Cobalt) • 2X Life versus standard blades • Variable Tooth Design (increased Blade Efficiency, reduces tooth breakage) • Tough Coat reduces friction and heat build up for longer life • Aggressive tooth formation for fast cutting • Metal blade - up to 100% more cuts per charge • Wood blade - up to 36% more cuts per charge Contents • 4 Metal Cutting Blades • 4 Wood Cutting Blades • Storage Container