Accu-Turn, Bosch, FMC, Shark, Ranger and RELS Style Positive rake cutting bits for Disc/Drum Lathes. Larger Radius on the insert corners plus TiALN Coating allow for more aggressive action and much longer cutting life. 3 Cutting Edges. Accu-Turn Bosch Disc/Drum Lathes Models 8911, 8922, 8944, 8989, 8991 and 8933.A FMC Models 67BSD, 67DLX, 67GSA, 69DLX, 701ECF, 601PF. FMC/Barrett Models 400, 500, 600 and 700 Lathes. Hofmann/RJ West 400, 401, 201 True Cut/RJ West Rotor and Drum Lathes, 1115HD, 1215S Models. Hunter BL500, BL505 and BL501 Rotor Lathes. Ranger RL8500 and RL8500XLT Disc and Drum Cutting Lathes. RELS 2000 Disc and Drum Cutting Lathes. Ranger and RELS OEM# 45021 Cutting Bits. 3 Cutting Edges Accu-Turn, Bosch, Ammco, FMC, Shark, Ranger OEM# 45021 and RELS OEM# 45021. Use with Shark tool holder #422, 423, 190, 404, 405, 464, 465.