Specification AgeRangeDescription : adult Brand : Kozelo BulletPoint1 : 1- Package Contents - 2Pcs 2GT 5mm Bore x 18mm Outer Diameter Idler Pulleys BulletPoint2 : 2- Material - The pulleys are made of high-performance aluminum alloy with excellent hardness and durability. They have a black oxide surface treatment that enhances their ability to resist rust and corrosion, ensuring long-lasting performance. BulletPoint3 : 3- Application - The pulleys are widely used in various mechanical transmissions, including but not limited to 3D printers, CNC machines, milling machines, gear forming machines, drilling machines, and CNC machine tool lathes. BulletPoint4 : 4- Feature - The pulleys are an economical choice that offers small friction and can reach high speeds. Additionally, they require minimal maintenance. To ensure the pulleys operate reliably and efficiently for an extended period, it is recommended to utilize motor-grade bearings. BulletPoint5 : 5- Take Notice Of - Please confirm whether the product size meets your needs before ordering. BulletPoint6 : Gear hobbing machine or other mechanical drive applications Color : Black ExternallyAssignedProductIdentifier : 9014238079296 ItemName : Kozelo 2Pcs 2GT Idler Pulleys - [5mm Bore x 18mm Outer Diameter]Synchronous Wheel 20 Teeth for 6mm Width Belt 3D Printer CNC Mechanical Drive Use, Aluminium Alloy, Black ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 14 centimeters ItemPackageDimensions_Width : 10 centimeters ItemPackageQuantity : 2 ItemTypeKeyword : timing-pulleys Manufacturer : Kozelo Material : aluminum ModelName : TSXB ModelNumber : TSXB NumberOfBoxes : 1 NumberOfItems : 1 NumberOfTeeth : 20 PartNumber : klf240305zz000132eu ProductDescription : APPLICATION -The pulleys are widely used in various mechanical transmissions, including but not limited to 3D printers, CNC machines, milling machines, gear forming machines, drilling machines, and CNC machine tool lathes. ABOUT THIS PRODUCTS -The pulleys are made of high-performance aluminum alloy with excellent hardness and durability. They have a black oxide surface treatment that enhances their ability to resist rust and corrosion, ensuring long-lasting performance. -The pulleys are an economical choice that offers small friction and can reach high speeds. Additionally, they require minimal maintenance. To ensure the pulleys operate reliably and efficiently for an extended period, it is recommended to utilize motor-grade bearings.