200 pcs. Tension/Compression Spring Industrial Accessories Kit Hand ToolsFeature:1. Spring set 200 pcs. It supports different pattern and different sizes to form a set, so you can no longer run through multiple patterns, saving time.2. The box is transparent PP plastic. After using the items in the box, this box can also hold small accessories, fishing hooks, buttons, needles, etc.3. Meanwhile, the box can also be placed or hung and it is convenient to carry.4. The spring is made of spring steel, which also supports good extension and pressure.5. The tension spring and compression spring are entitled to practical trimming, keep high performance for a long time. Specification: Item Type: Spring Material: Spring Steel Box Size: Approx. 210x110x30mm / 8.27x4.33x1.18 inches (Length x Width x Height) Product Weight: Approx. 380g / 13.4ozProduct Specification:Compression Spring:10 x (7x13mm) Compression Spring10 x (6x12mm) Compression Spring10 x (5.5x27mm) Compression Spring6 x (9.5x16mm)12 x (9x18mm) Compression Spring8 x (9x35mm) Compression Spring10 x (5.5x38mm) Compression Spring10 x (7x19mm) Compression SpringTension Spring:10 x (5x10mm) Tension Spring10 x (5.5x14mm) Tension Spring10 x (6x10mm) Tension Spring8 x (8x13mm) Tension Spring10 x (7.5x17mm) Spring Tension Spring12 x (8.5x26mm) Tension Spring12 x (8x50mm) Tension Spring (Fixed Section)12 x (7x55mm) Tension Spring12 x (4x70mm) Tension Spring8 x (5x34mm) Tension Spring10 x (7x25mm) Tension Spring10 x (8x23mm) Tension SpringPacking List:Compression Spring:10 x (7x13mm) Compression Spring10 x (6x12mm) Compression Spring10 x (5.5x27mm) Compression Spring6 x (9.5x16mm)12 x ( 9x18mm) Compression Spring8 x (9x35mm) Compression Spring10 x (5.5x38mm) Compression Spring10 x (7x19mm) Compression SpringTension Spring:10 x (5x10mm) Tension Spring10 x (5.5x14mm) Tension Spring10 x (6x10mm) Tension Spring8 x (8x13mm) Tension Spring10 x (7.5x17mm) Tension Spring12 x (8.5x26mm) Tension Spring12 x (8x50mm) Tension Spring (Fixed Section)12 x (7x55mm) Tension Spring12 x (4x70mm) Tension Spring8 x (5x34mm) Tension Spring10 x (7x25mm) Tension Spring10 x (8x23mm) Tension Spring