Frequently Asked Questions Q :Does diamond grit coating come off easily? A:The blade wil inevitably wear in the face of hard materials. Reducing the speed of tool oper.ation and making the blade work at a lower speed can slow down the rate of shedding andeffectively delay the life of the blade. Q:Can l use it to cut tiles? A:It is not recommended to use the blade for cutting tiles, hollow tiles and other items, it willaccelerate the wear and tear of the blade. Q:Do they fit the Starlock tool? A:These blades are not suitable for starlock tools, (common starlock tools: Bosch, fein, MakitaDM52Z, etc.)