Extreme Runtime Accessories optimised for FLEXVOLT Power ToolsNail Tough – perfect for cutting through nail embedded woodIncreased efficiency for maximum cordless run time- Extreme Runtime Accessories optimised for FLEXVOLT Power Tools- Nail Tough – perfect for cutting through nail embedded wood- Increased efficiency for maximum cordless run time- 2X life versus standard construction blades plus additional runtime / cuts per charge with FLEXVOLT battery & power tool)- Ultra-thin kerf design for Fast Cuts- Ultra-thin kerf design for Smooth Cuts; fast cutting, low cutting force, smooth cuts- Very Fine Grade Carbide Tip for Long Life- ATB+R Tooth Configuration for optimized Cut Quality- Optimised Hook Angle for Low Cutting Force- Body Expansion Slots for Low Vibration & Reduced Noise- Optimised Face Shear for Fast Cuts