Metal sectional connectors that fit many different sofa styles (connector part no less than 2 inches), secure sections together to prevent your sectional sofa from shifting.This sectional sofa connector is mainly used for connecting sofa back and seat back.The height of the sofa back can be adjusted from sofa to bed.It is suitable for connecting armrest and seat, backrest and seat, pillow and backrest, armrest and backrest, and bed.Shelf and bed surface.Through gear operation, the angle adjustment between the armrest, backrest, pillow, seat and bed surface can be changed, and the installation is hidden and safe.The gear opening and closing position design is used, with multiple angles and multiple gears.Main body dimensions: 13.7 x 5.3 cm (L x W x H).Triangular nail plate dimensions: 5.3 x 4.3 x 1.8 cm (L x W x H)