Easy consumable spare part, we suggest you buy more for further maintenance. Parameters Outer Diameter: 36mm, 40mm optional Total height: 16mm, 32mm, 35mm, 36mm, 40mm Inner diameter: 11mm Main Features 1)Can achieve quickly printing words, Easy to use, Anti friction, Not easy to fall off, Quick-drying, No-Pollution, Lower cost 2) Widely used in MY380 MY380F DK1000 DK1100 ink roller coding machine, Marking machine, Sealing machine. 3) Widely used in Pharmaceutical, Food, Dairy products, Health products, and other Packaging industries. 4) To Print Production Date, Batch Number, and word label on the outer package 5) For Paper, PP, PET, PE, PVC on different plastic packaging bags The printing effect on different packaging bags The gear belt is used for FR-900 FR-750, FR-770, FR-1000I,FR-1000II,FR-1000III continuous sealing machine. Due to different machine manufacturers, with different technology, please measure your gear belt to make sure the exact size. Size Optional: (Perimeter x width) 410mm（Perimeter）MM x 5mm（width) 420（Perimeter）MMx 5mm（width) 428（Perimeter）MMx 5mm（width)