Logan 10 11 Lathe 46 tooth Nylon gear This fine Nylon gear has improved design for better durability and performance compare to OEM and superior to other replacements Made out of Nylon - tough and flexible plastic Nylon 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 46 tooth gear O.D. : 2.40" Gear face width: 9/16" 0.5625" Center bore: 5/8" (0.625") with single 5/16 key way DP: 20 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.