HTD300-5M Synchronous Belt Pulley Belt 60 Tooth Closed Loop 15mm Width For 3D PrinterSpecification:Model: HTD300-5MMaterial:Niron (surface)+Chloride butyl rubber (with teeth)+Glass fiber (pit pull)Tensile strength: !#!amp!*!ge;90N\/mmHardness: 75!#!amp!*!plusmn;5Diameter: 100mmWidth: 15mmPitch: 5mmPackage includes:1 x Pulley Belt