Features: _x000D_ Adopt high quality aluminum, excellently machined, finished smoothly. _x000D_ There are toothed or toothless 2GT timing pulleys in different sizes that you can choose._x000D_ _x000D_ Comes total 5pcs belt pulleys in one bag which you may use for many projects. _x000D_ Perfect choice for building a 3D printer or similar projects. _x000D_ They are good replacement parts for old or broken 3D printer belt pulley. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Material: Aluminum _x000D_ Model: 2GT(GT2) _x000D_ Tooth Pitch: 2mm _x000D_ Type(Optional): _x000D_ Belt Width_x000D_ Bore Size_x000D_ Tooth_x000D_ _x000D_ 6mm_x000D_ 3mm_x000D_ 16T,Toothless_x000D_ _x000D_ 6mm_x000D_ 3mm_x000D_ 16T,Toothed_x000D_ _x000D_ 6mm_x000D_ 3mm_x000D_ 20T,Toothless_x000D_ _x000D_ 6mm_x000D_ 3mm_x000D_ 20T,Toothed_x000D_ _x000D_ 6mm_x000D_ 5mm_x000D_ 20T,Toothless_x000D_ _x000D_ 10mm_x000D_ 5mm_x000D_ 20T,Toothed_x000D_ _x000D_ _x000D_ Quantity: 5pcs _x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 5 x Pulleys Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia