5M Smooth/Tooth Idler Pulley 12T/15T/16T/18T/20T Bore 3-15mm Slot 11/16/21/27mm

Slot width:11mm (for 10mm width belt), 16mm (for 15mm width belt), 21mm (for 20mm width belt), 27mm (for 26mm width belt). Model: 5M Pulley. Bore: 3mm ~ 15mm. Pulley Type：Without teeth / With teeth. Teeth Type:Circular arc tooth.

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