Select your Grinder type. FLEXIBLE SHAFT GRINDERS HAND GRINDERS TOOL POST GRINDERS   Hand Grinders Series 9 - 1/4 HP Designed for heavy duty grinding operations including grinding weld seams, snagging castings, spark testing, and porting and polishing. The high torque Dumore 1/4 HP fan-cooled motor idles at 15,000 RPM. Three heavy-duty precision grease lubricated ball bearings provide rigid spindle support. The threaded spindle allows for use of 1/4” shank mounted wheels in a collet chuck or 3/8” bore standard wheels. 9-111 - Hand grinder with straight handle and 1/4” chuck   Series 10 - 1/10 HP Industry’s most popular grinder for precision tool and die work and all-around use. A mounting bracket that fits both Dorian and Aloris tool holders to convert the 10-351 hand grinder into a compact highly portable tool post grinder for accurate internal and external grinding is available as an accessory on your lathe. Extremely accurate, the 10-351 grinder provides exceptional ease of control with less operator fatigue and is capable of rotary filing, de-burring, cleaning, and polishing. Incorporating two grease-lubricated bearings, the Dumore advanced design motor is efficient, conserves power, and runs cooler. Precision ground chucks minimize run-out and are designed for fast changeover. A back-mounted “on/off” switch provides additional operator safety. Kit Includes • 22,000 RPM grinder with 1/4” chuck • 1/8” precision chuck • Eight mounted wheels • Dressing stone • 1” diameter cutoff wheel & arbor • Wrenches • Blow molded storage case