DOUBLE-BLADE SANDWICH DESIGN FOR TUCKPOINTING: Ideal for one-pass mortar removal, instead of having to cut back and forth X-LOCK WHEEL CHANGE: Features snap-on mounting and a wheel-release lever on grinder for change-out up to five times faster TOOL-FREE DISC SWAP: The wheel mounts properly without the need for a spanner wrench or flange nuts for no losable parts EFFICIENT OPERATION: One-pass sandwich tuckpointing blade design and X-LOCK wheel mount saves time INDUSTRIAL-QUALITY DIAMONDS: Produce a cutting surface optimized for thorough removal and extended life EFFICIENT CUTTING SURFACE: Blades designed exclusively for dry tuckpointing applications