Bosch Oscillating Multi Tool Blade Set OSL006 6 Piece Starlock Bi Metal Plunge Segmented Saw Accessory Kit For Wood Nails Metal Drywall PVC Klein High Capacity 15 Pack Contractor Box: Bulk High Capacity 15 Pack Contractor Box: Bulk packaging ensures a steady supply of fresh Mortar Joint Raking and Tuckpointing: Guiding 4 1 2 inch and 5 inch diamond tuckpoint wheels cleanly along brick mortar joints while extracting silica dust before it escapes and 3 1 2 inch formats for specific cuts Each Swiss made blade incorporates a rigid three dimensional Starlock interface that establishes a slip free mechanical anchor with the driver head to maximize torque transfer and mitigate hand arm vibration