Sell 10pcs Strong Springs for Ultimaker Makerbot Heated Bed Platform 3D Printer best price

10pcs Strong Springs for Ultimaker Makerbot Heated Bed Z Axis Platform 3D Printer Accessory 10pcs 3D Printer Accessory Strong Spring for DIY Ultimaker Makerbot Z Axis Platform Features: With 45 carbon steel, it has excellent elasticity and fatigue resistance. Nickel plating on the surface has better corrosion resistance and high surface hardness. Application: spring on a 3D printer platform, such as a balancing hot bed. Specifications: Outer diameter: about 8mm/0.31'' Inside diameter: about 7mm/0.27'' Line diameter: About 0.6mm/0.02'' Height: approx. 20mm/0.78'' Quantity: 10pcs Note: Please allow 1-3 cm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding Included: 10 x 3D Printer Strong Springs