BOSCH OSM212CG 1-Piece 2-1/2 In. x 1/8 In. StarlockMax Oscillating Multi Tool Grout & Abrasive Carbide Grit Segmented Saw Blade for Extreme-Duty Applications in Grout Removal - Amazon.com
Bosch OSL312CG Starlock Oscillating Multi Tool kerf Carbide Grit Grout Grinding Blade, 3-1/2 x 1/8" - Express Tool Supply