Name: GT2 synchronous belt pulley, toothless synchronous belt idler pulley.
Material: aluminium alloy.
Colour: silver.
Surface treatment: oxidation treatment.
Specification: 20 toothless hole 5mm width 6mm.
Application: suitable for 3D printer, CNC, milling machine, gear forming machine, drilling machine, CNC machine lathe, hobbing machine or other mechanical transmission occasions.
Package content: contains 6 pcs of 20 toothed holeless 5mm wide 6mm synchronous belt idler pulleys.