2GT 20 teeth Timing pulley Bore 3/3.17/4/5/6/6.35/7/8mm For belt width 6/9/10/15mm GT2 20T Timing Pulley 3D Printer Accessories

2GT 20 teeth Timing pulley Bore 3/3.17/4/5/6/6.35/7/8mm For belt width 6/9/10/15mm GT2 20T Timing Pulley 3D Printer Accessories

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