TWO TREES® GT2 Idler Timing Pulley 16/20 Tooth Wheel Bore 3/5mm Aluminium Gear Teeth Width 6/10mm For I3 Ender 3 CR10 Bl

Pay attention we have 8 types of pulleys 1 16tooth width 6mm bore 3mm2 16tooth width 6mm bore 3mm without teeth3 20tooth width 6mm bore 3mm4 20tooth width 6mm bore 3mm without teeth5 20tooth width 6mm bore 5mm6 20tooth width 6mm bore 5mm without teeth7 20tooth width 10mm bore 5mm8 20tooth width 10mm bore 5mm without teethplease make sure what is type of your choice check it again when you pay it T teeth W width B bore Package Included 5Pcs Pulley Remember to choose the type