DHHD053 is Aluminum Continuous Geared Half Surface Hinges that provides 1/8″ door inset. These can be used with any standard frame without hinge preps, and either with or without reinforcements depending on door weight. Minimum clearance between the hinge edge of the door and the frame is 5/32″ (4mm). “HD” models have additional bearings for heavy duty application.
More Details at: