DeWalt XR Extreme Runtime saber blades (152mm x 6mm)

Extreme Runtime accessories optimized for FlexVolt,Higher efficiency for maximum cordless run timeM42 HSS (+ 8% cobalt),2X life vs.standard blades plus additional run time / cuts per charge with Flexvolt battery and tool,Variable tooth design (higher blade efficiency, reduces tooth breakage),Tough coating 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.