This listing includes 10 pieces of hinge components, comprising part numbers 302S018610 and 302S018620.These parts function as upper and lower hinges designed for use with specific printer models including M2040, M2135, M2540, M2635, M2640, M2735, P2040, P2235, M5521, M5526, P5021, and P5026.The items are intended to restore mechanical and fitment for the compatible devices listed.