This hinge set includes 10 replacement hinges compatible with a range of devices including M2040, M2135, M2540, M2635, M2640, M2735, P2040, P2235, M5521, M5526, P5021, and P5026.The set contains hinge models 302S018610 and 302S018620, designed to serve as lower hinges for upward- mechanisms, stable and smooth.Built for , these hinges are suitable for use in office maintenance and repair scenarios.