The Milwaukee® Open-Lok™ Multi-Tool Blade Variety Kit 6PC Provides You With An Assortment Of Blades For Multi-Material, Hardwood, and Clean Wood Cutting Applications. The Set Includes Titanium Charged™ Bi-Metal Blades With An Optimized Titanium Blend For Maximum Wear-Resistance and Up to 15X Longer Life VS. High Carbon Steel (HCS) Blades. The Bi-Metal Multi-Tool Blades Are Ideal For Wood With Nails, PVC, and Drywall. The Triple-Ground Japanese Tooth Hardwood Blades Deliver Up to 2X Faster Cuts Than The Pre