Features:

• with good elasticity and surface hardness, stronger than ordinary steel.
• Advantage: It can solve the belt problem without tearing apart 3D printer, keep great tension and stiffness on the belt, increase the print quality.
• Fits for the width less or equal to 6mm timing belts, use the replace spring, tight up the belts, don't need to modify the existing structures, print it much more precisely.

Specifications:

• Material: Steel
• Overall Size: 12 x 12 x 8mm (LxWxH)
• Spring OD: 5.2 mm
• Spring ID: 3mm
• Wire Diameter: 1 mm.