／ welcome to #るうshop ♡ ＼ 1. Rectangular cross-section, closed-end design. Die springs are mainly used in die machinery equipment for plastic injection molding, 3D printers, and electrical components. 2. Load grades of die springs in various colors (from lightest load to very heavy load): Yellow 3. Made of spring steel material, the surface is painted yellow, rust-resistant, and durable. Die Spring Spiral Stamping Light Load Compression Die Spring for 3D Printer Electrical Components Yellow Outer Diameter 25mm Length 45mm 1 piece Other uxcell items are also available → #るうuxcell shop 7-12