2Gt-20 Timing Pulley 20 teeth for Width 6mm Timing Belt Alumium Bore for 3D printer

Specifications
1. type: GT2 timing pulley
2. tooth type: GT2
3. tooth number: 20
4.width:6mm
5.bore: 5mm/6mm/8mm
6.bore tolerance :+0.01,+0.03