Read more Bosch GWX10-45E 4-1/2 In. X-LOCK Ergonomic Angle Grinder & CWX27M450 4-1/2 In. x .098 In. X-LOCK 30 Grit Metal Cutting and Grinding Abrasive Wheel Bosch X-LOCK grinders and X-LOCK diamond blades offer a wheel change that’s five times faster than conventional interfaces. X-LOCK blades are ejected with a lever pull and firmly connected without the need for a spanner wrench or flange nuts. There is an audible snap when mounting an X-LOCK diamond blade on an X-LOCK grinder. The wheel mounts properly without the need for a spanner wrench or flange nuts, eliminating the time users spend changing out accessories. Read more LOCK-IN SECURITY Provides fast and secure wheel-to-grinder connection 5X FASTER WHEEL CHANGE With an audible click into place, X-LOCK grinders allow for 5X faster accessory changes compared to standard 7/8 In mount. X-LOCK ADVANTAGE X-LOCK grinders and accessories eliminate downtime spent looking for lost spanner wrenches and flange nuts to keep jobs moving along efficiently. Read more Key Features QUICK-CHANGE Minimizes downtime between wheel changes with zero losable parts BACKWARDS COMPATIBLE Most Bosch X-Lock wheels are backwards compatible with standard 7/8 In. mounts TOOL-FREE SYSTEM Single lever wheel ejection without need of a spanner wrench ERGONOMIC DESIGN Robust for metal and concrete work combined with Bosch-proven ergonomic design Read more DBX4543S CWX1M450 GWX27LM450 GWX27M450 FDX2745080 FBX4560 Cutting Stone and Concrete ✓ Masonry Cutting ✓ Metal Grinding ✓ Masonry Grinding ✓ Blending, Grinding and Deburring ✓ Heavy Stock Removal, Smooth Finishing ✓