The belts exceed USA RMA published ratings levels; They are designed to perform at the identical or higher level than all other major USA Manufacturer's belts of the same type
670-5M-13 Synchronous Timing Belt OEM Part Number 670-5M-13 Belt Type 5M Timing Belt
Technical Specifications: (Inches) (mm) Outside Circumference 26.38 670 Top Width 0.51 13 Belt Depth 0.15 3.8 Material Neoprene Tooth Profile 5M
Package weight: 0.37 lbs
Description
670-5M-13 Synchronous Timing Belt OEM Part Number 670-5M-13 Belt Type 5M Timing Belt Technical Specifications: (Inches) (mm) Outside Circumference 26.38 670 Top Width 0.51 13 Belt Depth 0.15 3.8 Material Neoprene Tooth Profile 5M.