Description: Aluminum 20T GT2 pulley has high quality shiny surface appearance and robust construction. GT2 timing belt system especially suited for linear movement and positioning applications such as 3D printer, CNC and other robotics. The rounded teeth of this tooth and belt are engaged together longer providing a smoother transition between teeth. The GT2 pulley is one of the best choices for 3d printer construction Material:Aluminum Specification: Inner hole:5 mm Package Includes: 1PiecexGt2 Timing Pulley
