Master Palm 1/4" and 1/8" mini right angle die grinder with low profile angle design, 19000 rpm, fits in your palm perfectly. Comes with 1/8" collet. Free Speed:19000 rpm. Ultra Mini Size Fit in Your Palm and Shirt PocketUltra mini size design with the shortest housing body in the market, beat up all the imitation in terms of performance and design. This mini right angle die grinder literally fits within your palm and your shirt pocket, light weight and is favored by many tool users..