Dynabrade 5" disc sanders offer countless material removal solutions to industries such as metal/stainless steel fabrication, composites, masonry, ironwork and general welding. Convenient Spindle Lock Allows quick and easy change of grinding wheel or abrasive disc. Less downtime! Safety-Lock Throttle Lever Prevents accidental start-up of tool. Lever has no sharp edges or “pinch points.” Designed to the Dynabrade standard of excellence, these tools offer a wide array of features to increase efficiency and maximize operator comfort!