POWGE 2GT Open synchronous belt 2GT-6 width 4/6/9/10/15mm polyurethane Steel PU GT2 Timing belt Small backlash 3D printer

POWGE 2GT Open synchronous belt 2GT-6 width 4/6/9/10/15mm polyurethane Steel PU GT2 Timing belt Small backlash 3D printer

Aliexpress UK