Diablo’s, 10 Pack, 212 oscillating blades for Clean Wood Cuts Starlock Fit BiMetal Oscillating Blades Feature Application Specific Designs That Deliver Maximum Durability And Longer Life In Metal These HighPerformance Blades Feature An UltraHardened Cutting Edge To Deliver Up To 5X Longer Life Than Standard Blades An Optimized Tooth Design Reduces Vibration For Fast And Clean Cuts Black ICE Industrial Cooling Element Keeps The Teeth Cool And Build Up Free For Fast, Clean Cuts Tool Free QuickChange Interface Fits Fein And Other Starlock Tools Also Compatible With Most NonStarlock MultiTools