ITEM NAME:2040 Upgrade V-Groove Profile X-Axis Timing Belt Tension Straightening Tens G4X1 2040 Upgrade V-Groove Profile X-Axis Timing Belt Tension Straightening Tens G4X1 Item Type: Hardware Parts/Machine Parts Name: 2020 aluminum profile X-axis synchronous belt stretching,2040 aluminum profile Y-axis synchronous belt stretching Surface treatment: anodizing Dimensions: 2040 (20-28-86) colour:black Material:Aluminum alloy size:Product size: 20-28-86mm Package Contents: 1*2040 aluminum profile Y-axis timing belt stretching