Features:OOTDTY This gear is an essential a part of a permanent magnet synchronous motorWith low power consumption, torque large, low noise, small volume, mild weight, smooth to useSuitable for 60KTYZSpecifications:Suitable Model: 60KTYZ (center shaft)Rated speed: 2.5r/minDiameter: 3cmHeight: 1cmQuantity: 1 PcNote:1.Transition: 1cm=10mm=0.39inch2.Please allow 0-3cm error because of guide measurement. pls make sure you do not intellect before you bid.3.Due to the variation between assorted monitors, the image won't replicate the actual colour of the item. Thank you!No Retail PackagePackage Includes:1 Pc Gear