ITEM NAME:2040 X-Axis Synchronous Belt Stretching Cr10 Straightening Tensioner Alumin D1I5 2040 X-Axis Synchronous Belt Stretching Cr10 Straightening Tensioner Alumin D1I5 Name:2040 aluminum profile X-axis synchronous belt stretching Surface treatment:anodizing Color:Black Material:aluminum alloy Package Contents: 1 set * 2040 aluminum profile X-axis synchronous belt stretching