3D Printer Die Spring, 30 mm Outer Diameter, 125 mm Length, Helical Stamping Compression Mold Die Spring for 3D Printer Electronic Components, Green, 1 piece Hole Diameter (Outer Diameter): 30 mm; Inner Diameter (Tolerance +0.5 mm): 16.5 mm; Free Length: 125 mm Maximum Compression Rate: 24%; Color: Green; Load Type: Heavy Load; Material: 65Mn Rectangular cross-section, closed-end design. Mold springs are mainly used in mold machinery equipment, plastic injection, and 3D printer electrical components. Made of 65Mn material, the surface is painted green, rust-resistant, and durable. Price negotiations are welcome! Feel free to comment! ✨ ··········································································· Items listed as "Like New" have been opened once for photography, but the product itself is unused, so please feel free to purchase. ··········································································· Instant purchase OK! Midnight silent purchase OK! *Bulk purchases welcome Please feel free to comment *Free shipping! *Please contact us before rating if there are any problems. ・Please understand that items are stored at home and will be shipped in simple packaging( ⁎ᵕᴗᵕ⁎ ) ・Please check the actual photos for the condition of the product♪ ※To offer the lowest possible price, we may remove the item from its box for shipping due to shipping costs. #Click here for NinNin's product list ✨☜ ··········································································· Please check the photos and thank you to those who understand! ⭐ ··········································································· 3D Printer Die Spring, 30 mm Outer Diameter, 125 mm Length, Helical Stamping Compression Mold Die Spring for 3D Printer Electronic Components, Green, 1 y2-40 6