Atlas 618 Craftsman 101 6″ Lathe 64 Tooth Nylon Gear, OEM Part # M6-101-64This fine Nylon gear has improved design for better durability and performance compare to OEM and it is superior to other replacements Made in US out of Nylon – tough and flexible plasticNylon naturally slippery, no lubrication required!Runs quieter and smoother Only Nylons should be used for gears where a slippery surface is desired. All other materials (PLA, ABS, PET, etc.) will grind creating a plastic dust and eventually fail! For details, please review all pictures DP: 24 O.D. : 2-3/4″ (2.75″) Gear face width: “3/8″ (0.375″) Center keyed bore: 1/2″ (0.5″) May fit other 1/2” bore lathes as well. Do not waste your money on ABS or PLA plastic gear that may strip or even melt! Introductory price – please share installed images and review.