200pcs 200 Pieces Spring Assortment Set 20 Sizes Sturdy Storage Box Compression Springs Portable Box Clear PP Plastic Box

Name: Spring Combination Set Material: 45# steel Color: Silver Size: 21*11*3cm (8.27*4.33*1.18 inches) Selling method:200pcs/box Spring Combination Set Compression springs: 7*13mm / 6*12mm / 5.5*27mm / 9.5*16mm / 9*18mm / 9*35mm / 5.5*38mm / 7*19mm Pull springs: 5*10mm / 5.5*14mm / 6*10mm / 8*13mm / 7.5*17mm / 8.5*26mm / 8*50mm / 7*55mm / 4*70mm / 5*34mm / 7*25mm / 8*23mm Description: 1. This spring kit contains 200 pieces in total with 20 different sizes, including extension springs and compression springs, to meet various daily repair and hardware assembly demands. 2. Made of qualified steel material, the spring features stable hardness, good elasticity, not easy to deform or break, durable for long time use. 3. Equipped with a clear PP plastic storage box, the parts are classified clearly, easy to pick, organize and carry, avoiding loss and mess. 4. Widely applicable for household maintenance, mechanical equipment, furniture, small tools and other general replacement scenarios. 5. Compact overall size 8.27×4.33×1.18 inch, space-saving storage, simple and convenient for daily storage and placement.