2GT 12/14/15/16/17/18/19 teeth Timing pulley Bore 3mm~6.35mm For belt width 5mm~15mm GT2 Timing Pulley 3D Printer Accessories

2GT 12/14/15/16/17/18/19 teeth Timing pulley Bore 3mm~6.35mm For belt width 5mm~15mm GT2 Timing Pulley 3D Printer Accessories

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