Small Blade. Big Problem Solver. The Dinky Doinker™ is a 3.5" flush-mount diamond blade made for the cuts your full-size grinder blade doesn't want to make. Need to reopen a grout joint for a leveling clip? Get into a tight corner? Make a small-radius cut around an outlet? Cut close to a wall, cabinet or obstacle? That's Doinker territory. The compact 3.5" diameter gives you better access and control in tight areas, while the flush-mount design lets you get closer to obstacles than a traditional grinder blade. IT'S NOT YOUR EVERYDAY BLADE. IT'S THE ONE YOU'RE GLAD YOU HAVE. BUILT FOR THE ANNOYING STUFF Leveling Clip Slots — Reopen or widen joints when you need to get a leveling clip into place. 3.5" Compact Diameter — Better access for tight spaces, small-radius cuts and detailed grinder work. Flush-Mount Design — Get closer to walls, cabinets and other obstacles. Small-Radius Cuts — Great for outlets, notches and detailed openings where a larger blade gets in the way. Thinset & Mortar Cleanup — Remove material from joints and tight areas when needed. Sintered Diamond Construction — Built to handle hard tile and jobsite use. 5/8"-11 Thread — Threads directly onto compatible angle grinders. GREAT FOR Tile leveling system clip slots Reopening grout joints Outlet and electrical box cuts Small-radius cuts Tight corners Notches Flush cuts Toe kicks Thinset and mortar removal Detail work MATERIALS Designed for use on: Porcelain tile Ceramic tile Granite Stone Thinset and mortar TECH SPECS Diameter: 3.5" Thread: 5/8"-11 Construction: Sintered diamond Mount: Flush mount Application: Detail cutting, slotting and material removal Tool: Compatible angle grinder KNOW YOUR DOINKER The Dinky Doinker™ is a specialty problem-solving blade, not a replacement for your everyday diamond blade. Its compact size and flush-mount design are built for access, control and those awkward cuts where a traditional blade is simply too big. When the big blade can't get there... Whip out the Dinky Doinker. Crowne Tools — For Pros. By Pros.