Bosch 3-1/2 In. Starlock Oscillating Multi Tool Diamond Grit Grout Blade OSL312DG from Bosch - Acme Tools
ROCKWELL Sonicrafter 2.5in. Oscillating Multitool Diamond Coated Semicircle Saw Blade with Universal Fit System in the Oscillating Tool Accessories department at Lowes.com
Imperial Blades One Fit™ 2-1/2" Diamond Grit Segment Boot Blade, 1PC, Multi - Amazon.com