Features Brand new and high quality. Made of premium carbon steel, these springs are durable and have good elasticity. There are 20 different sizes of springs which can meet your various needs. Total 200 pieces of springs in this set that you may use for a long time. Widely used for toys, crafts, sofas, clamping tools, electric appliance, etc. Specification: Size (dia.*height)& Quantity: 7.14*12.7       10pcs 5.16*20.06     10pcs 9.52*15.8         6pcs 7.9*28.57         8pcs 6.35*10.31     10pcs 5.33*25.4       10pcs 9.52*19.05     12pcs 5.55*17.46     10pcs 6.35*22.22     10pcs 7.93*31.75     10pcs 8.73*46.8       12pcs 7.93*44.45     12pcs 7.14*50.8       12pcs 3.96*79.3       12pcs 9.12*34.9         8pcs 4.76*44.45       8pcs 5.55*38.1        10pcs 7.14*38.1        10pcs 7.14*19.05      10pcs 7.73*36.51      10pcs Weight: 260g / 9.2oz (approx.) Package list: 200 * Springs Package List