A: 200PCS spring set, different specifications and different sizes, come together as a set, so that you no longer have to run for multiple specifications, you can save more valuable time shopping in our store, buy comfortably, use it with peace of mind. Two: The packaging box is made of transparent PP plastic. After using the treasures in the box, this box can also contain small accessories, hooks, buttons, needles and threads, which can be put on and hung up, and c is also convenient to carry. Material: spring steel Box specifications: length: 210MM X width 110MM X height 30MM, Product weight: about 380g (This weight data is for reference only, subject to the actual product) Product specifications: Compression spring: 7*13=10pcs, 6*12=pcs, 5.5*27=10pcs 9.5* 16=6pcs, 9*18=12pcs, 9*35=8pcs, 5.5*38=10pcs, 7*19=10pcs Tension spring: 5*10=10pcs, 5.5*14=10pcs, 6*10=10pcs 8*13=8pcs, 7.5*17=10pcs, 8.5* 26=12 pieces 8*50=12 (without ears) 7*55=12, 4*70=12 5*34=8 pieces, 7*25=10 pieces, 8*23=10 pieces Colour: silver Scope of delivery: 200 pieces/set.