Thank you for viewing! ⭐️ Instant purchase is OK ♪♪♪ If you have any questions, please ask before purchasing ☺️ Also, please take a look at the information in my profile ✨ I have many other products too ♡ I'll give you a discount if you buy multiple items ♡ #saya'sProducts ☜☜ ⚠️ Opened for photography, but unused ⚠️ Not tested for operation as it is unused Rectangular section, closed-end design. Mold springs are mainly used in mold machinery, plastic injection, and electrical components of 3D printers. Made of spring steel, the surface is painted blue, rust-resistant, and durable. Light load compression, for 3D printers, electrical components, blue, set of 10 3-20