10t 5 mm gat synchronization wheel + distributor electric drilling no power spindle assembly diy woodworking cutting

large part around diy drill press, table grinder, table saw etc. ootdty specifications: teeth number: 10 teeth bottle: double material: aluminium alloy + rubber fixed mode: 2 *m4 boring of timing catheter: 5mm suitable for distribution range: 10mm note: you are 0-1cm error due to manual measurement. suddenly make sure you don't bid too hard. because of the difference between the different monitors, the image cannot match the actual color of the item. thank you, sir. package list: 1