Kason 1245-000040 Reversible Cam Rise Lift Off Hinge, Die-cast Zinc Polished Chrome., 10-1/16" Long Od. X 5-1/2" Wide Od., Strap Has A Plastic Cam Rise Stem In It Which Goes Into The, Flange. Number "1245" Is Casted On Strap & Flange., 1-1/8" Offset, To Reverse Remove Cap And Push Out Cam Replace Cam, On Other Side Of Strap And Replace Cap., For Replacement Cam Kit Order #28-2410