Uxcell Timing Pulley Product name : timing PULLEY; Type : xl; tooth Number : 20t Pitch : 5Mm 0 2"(1 5") pitch Dia : 31.83Mm/1.3"; bore diameter : 8Mm 0 31" Bore outside diameter : 24Mm 0 91 inch fit belt width : 11Mm 0 43 inch overall size : 36 x 25Mm 1 4 inch x 1 inch (d*h) Material : aluminum alloy; color : Silver tone Weight : 46G; Package Content : 1 x timing PULLEY