Hole Diameter (Outer Diameter): 14mm; Inner Diameter (Tolerance +0.5mm): 7mm; Free Length: 45mm (+/- 2mm); Maximum Compression Rate: 50%; Maximum Load: 176.5N Load Type: Light Load; Color: Yellow; Material: Spring Steel; Surface Treatment: Spray Paint Rectangular section, closed end design. Die springs are mainly used in die mechanical devices for electrical components of plastic injection molding 3D printers. Made of spring steel material, the surface is painted yellow, making it rust-resistant and durable. Package Contents: 2x Compression Die Springs #mimi's product list! ⬆️Tap here☝︎ ✼••┈┈••✼••┈┈••✼••┈┈••✼••┈┈••✼ Thank you for viewing! ☑︎ Immediate purchase welcome - purchase without comment late at night welcome ☺︎ ☑︎ The products are new and unused, but they are stored at home and have been opened for inspection and photography, so I have selected "Like New". ・Please understand that the items are stored at home and will be shipped in simple packaging before purchasing. ※To offer the lowest possible price, we may remove the items from their boxes for shipping due to shipping costs. ✼••┈┈••✼••┈┈••✼••┈┈••✼••┈┈••✼ uxcell Die Spring Compression Die Spring Outer Diameter 14mm Length 45mm Spiral Stamping Light Load For 3D Printer Electrical Components Yellow 2 pieces 12-45