Diablo Oscillating Blade DOU125CGP 1 1 4 Inch (Carbide Teeth 1 1 2 Inch Cutting Depth For Nail Embedded Wood Metal And Plastic Plunge Cuts) Screwdriver Bits Permanent Hard Stamped Size Markings: Roll stamped Permanent Hard Stamped Size Markings: Roll stamped sizing on socket walls ensures long lasting legibility even after continuous shop wear The Diablo DMAHX118CH120 1 1 8 inch by 20 inch hex shank narrow demolition chisel fractures reinforced concrete slabs Interface Type Universal Fit Starlock Compatible No Cutting Edge Curve Contact Edge Primary Application Nail Embedded Wood this reduces heat buildup and prevents carbide tip micro chipping during high impact cuts