Features: This spring kit includes extension springs and compression springs in 20 different sizes, 200 pieces in total. Spring assortment of different sizes will meet your various needs. Durable plastic box for convenient storage and portability. Compartmentalized design allows for easy organization and quick access to desired sizes. Ideal for use in vehicle repairs, electrical appliances, digital devices, and other general maintenance applications. Specifications: Condition: Material: Spring Steel Box Size: approx. 21 x 11 x 3 cm (8.27 x 4.33 x 1.18 in) Weight: approx. 373g Package Included: 200 pcs Springs with Plastic Case 76 pcs Compression Springs (Diam. x L): 9/32" x 1/2" Qty: 10 pcs 3/8" x 5/8" Qty: 6 pcs 1/4" x 13/32" Qty: 10 pcs 3/8" x 3/4" Qty: 12 pcs 7/32" x 11/16" Qty: 10 pcs 23/64" x 1-3/8" Qty: 8 pcs 7/32" x 1-1/2" Qty: 10 pcs 9/32" x 1-1/2" Qty: 10 pcs 124 pcs Extension Springs (Diam. x L): 13/64" x 13/16" Qty: 10 pcs 5/16" x 13/16" Qty: 8 pcs 7/32" x 1" Qty: 10 pcs 1/4" x 7/8" Qty: 10 pcs 5/16" x 1-1/4" Qty: 10 pcs 11/32" x 1-27/32" Qty: 12 pcs 5/16" x 1-3/4" Qty: 12 pcs 9/32" x 2" Qty: 12 pcs 5/32" x 3-1/8" Qty: 12 pcs 3/16" x 1-3/4" Qty: 8 pcs 9/32" x 1-1/2" Qty: 10 pcs 11/32" x 1-7/16" Qty: 10 pcs