Creality 3D® Black 2GT-20 Teeth Aluminum Timing Pulley Wheel 5mm Inner For Ender-3 3D Printer

Specifications: Support  GT2 synchronous belt or 2GT timing belt Teeth: 20 Material: Aluminum Inner hole diameter: 5 mm Length : 18.5mm  Step with 2 pcs M3 screw holes Higher stability than metal gear.  Also Suitable to other 3D Printers Package included: 1x Creality 3D® 2GT-20 Teeth Timing Pulley