Product Description: New condition.
Ship quickly with tracking.
30 day return policy on all used items.
- Tensioning Locking/Torsion Spring for the belt width Less than or equal to 6mm Makerbot Reprap 3D printer timing belt system.
- Heated Bed Compression Spring 3D Printer Extruder Spring for Ultimaker/ Makerbot/ Wade size 7.5mm x 1.2mm x 20 mm
- Using 45 steel (a great material for the spring, better than stainless steel and manganese steel), has excellent elasticity and fatigue resistance.
- Nickel plated, better corrosion resistance and surface hardness These springs work perfectly strong they keep great tension on the belt.
- Package Included: 10 x 3D Printer Belt Locking Torsion Spring,10 x 3D Printer Extruder Heated Bed Compression Spring