CI3750 Bolt-On Adjustable Sealed Bearing Gate Hinge is ideal for gates needing a heavy duty bolt on hinge. Hinges are adjustable to fit a gate gap of 3" minimum and up to 3-1/2" maximum. Each features the patented maintenance-free near frictionless movement of completely sealed bearings, no maintenance required. Each hinge is able to hold up to 300 LBs of weight and is manufactured by CNC machining technology, to offer the highest tolerances in the gate hardware industry.