5Meters 3M Open Ended Timing Belt Width 15mm Polyurethane Belt for Laser Engraving CNC Machines & 5pcs 24 Teeth HTD 3M Timing Pulley Bore 6.35mm Product features ✔24 Teeth 3M Pulley Fit for CNC Machines,Laser Machine,Engraving Machine ✔HTD 3M Timing Pulley Fit for High Torque and High Rotation Speed Transmission ✔Other specifications reference picture, there are many tooth pulleys in store; ✔Package: 5PCS x 24 Teeth Bore 6.35mm + 10PCS x set screws + 1 PCS x Allen Key+5 Meters 3M Open Ended Timing Belt Width=15mm Product description 24Teeth HTD 3M Timing Pulley Specs:& nbsp; Type: 24-3M-15 BF & nbsp; Pitch: 3mm & nbsp; Teeth Number: 24 teeth & nbsp; Bore of pulley: 6.35 mm   Fixed mode: 2 x M5 Set Screw  Fit for Belt Width: 15mm  Material: Aluminium Alloy  Package Listing Includes as Follow:  5pcs x 24 Teeth HTD 3M Timing Pulley 10pcs x M5 setscrews  1pcs x Allen Key  5Meters 3M Open Ended Timing Belt Width=15mm(Belt is Polyurethane with Steel Core)