Features: This spring kit includes extension springs and compression springs in 20 different sizes, 200 pieces in total. Spring assortment of different size will meet you different demands. With a durable plastic box for convenient storage and carry. Assorted compartment is convenient for you to store and find the desired size. An essential hardware for various repair and maintenance in vehicle, electric appliance, digital devices, etc. Specifications: Condition: 100% Brand New Material: Spring Steel Box Size: approx. 21*11*3cm/8.27*4.33*1.18in Weight: approx. 373g Package Included: 200pcs Spring with a Plastic Case 76pcs Compression Spring(Diam. x L): 9/32" x 1/2" Qty: 10pcs 3/8" x 5/8" Qty: 6pcs 1/4" x 13/32" Qty: 10pcs 3/8" x 3/4" Qty: 12pcs 7/32" x 11/16" Qty: 10pcs 23/64" x 1-3/8" Qty: 8pcs 7/32" x 1-1/2" Qty: 10pcs 9/32" x 1-1/2" Qty: 10pcs 124pcs Extension Spring:(Diam. x L): 13/64" x 13/16" Qty: 10pcs 5/16" x 13/16" Qty: 8pcs 7/32" x 1" Qty: 10pcs 1/4" x 7/8" Qty: 10pcs 5/16" x 1-1/4" Qty: 10pcs 11/32"x 1-27/32" Qty: 12pcs 5/16" x 1-3/4" Qty: 12pcs 9/32" x 2" Qty: 12pcs 5/32" x 3-1/8" Qty: 12pcs 3/16" x 1-3/4" Qty: 8pcs 9/32" x 1-1/2" Qty: 10pcs 11/32" x 1-7/16" Qty: 10pcs1This spring kit includes extension springs and compression springs in 20 different sizes, 200 pieces in total 2Spring assortment of different size will meet you different demands 3With a durable plastic box for convenient storage and carry 4Assorted compartment is convenient for you to store and find the desired size 5An essential hardware for various repair and maintenance in vehicle, electric appliance, digital devices, etc