Product Description: ★ 1pack includes 2 pieces of gas strut. ★ Support the lid or lift stay open without burst close. ★ Length (From hole center to the other): 9-11/16 '', travel: 3-14/25 '', distance between ball mounts compressed; 6-1/8''. ★Spring force: 50N ★If you are unsure if our item will fit your application, you are very welcomed to ask us in the Q& A section or by contacting us. We are happy to help. Product Specifications: ●Material: steel ●Quantity: 2 pieces (1 pack) ●Item Size: 11.4 x 3.8 x 2.1 inches