Kason 1257 Adjustable Sprung Hinge Chrome Offset 44.5mm -60.3mmEdgemount Hinge beautifully designed and proportioned basic hinge is engineered for heavy use and long life Built in dwell feature that allows door to be held open at 93 degrees Reversible cam for use on right or left opening door Lift off feature allows door to be removed with hinges in place Adjustable to compensate for gasket compression Spring assisted version available Material: High pressure, die cast zinc flange, strap and adjustment plate;