New, unused, and unopened. In addition to this, we have a wide variety of products such as humidifiers, cosmetics, and projectors ❤️ Please take a look here! →#sakuMama'sProducts☆ The following is quoted from the purchase site: ⚫︎Hole diameter (outer diameter): 16mm ⚫︎Inner diameter (tolerance +0.5mm): 8mm free ⚫︎Length: 45mm (+/- 2mm) ⚫︎Maximum compression rate: 50% ⚫︎Maximum load: 206N ⚫︎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 equipment for plastic injection molding and 3D printer electrical components. ⚫︎Made of spring steel material, the surface is painted yellow, making it rust-resistant and highly durable. ⚫︎Package contents: 10x compression die springs ※If there are colors, the actual color may differ from the color displayed on the monitor. Anonymous shipping. Please note that the shipping method (either Rakuraku Mercari or Yuuyu Mercari) may be changed after purchase. If you have a preference, please contact us via message in advance. Please understand that this is stored and packaged by an amateur. #Spring #Improvement #Manufacturing #Durability #Yellow 5