Atlas Craftsman 10" 12" Lathe 32 and 16 tooth compound Nylon gear 16 / 32 tooth, 1/2" bore 10-101-16A ( 10-1546 ) This fine Nylon gear has improved design for better durability and performance compare to OEM and superior to other replacements FDM Made in USA out of Nylon - tough and flexible plastic Nylon naturally slippery, no lubrication nor bushing 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 Specifications: DP: 16 32 tooth gear O.D. : 2.125" 16 tooth gear O.D. : 1.125" Gear face width: "1/2" (32t gear) + 1/2" (16t gear) = 1" Overall Center bore: 1/2" (0.5") 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.