Bosch Multi Tool Blade OSL234HG 2 3 4 Inch Starlock Hybrid Grout Cutter Carbide Grit Tile Thinset Mortar Removal Oscillating Saw Razor Accessory Spade 6 E Variable Speed Sheet 6 E Variable Speed Sheet Metal Shear is a compact corded metalworking tool engineered to deliver distortion free Hardwood Contour Handle Blade Surface Finish Hand Polished Surface Country of Origin USA Pro Tip: Use a straight edge chalk line or wooden guide board across the slab when cutting control joints to ensure long expansion grooves remain perfectly straight bold laser etched identification paths Starlock 3D Interface Connection: Specialized three dimensional contact seat maximizes direct torque transmission parameters while filtering out hand arm vibration loops