- Industry standard self-closing cam-rise hinge enables door to open with minimum effort - Strong self-lubricating nylon cam delivers smooth, trouble-free door operation; cam-rise action reduces gasket wear, even on irregular floors - Holds door open beyond approximately 130 degrees; doors can lift off without disassembly or removing hinges - Simple manual operation reverses hinges for use on right- or left-opening doors Key attributes - Material and mechanism: nylon cam with self-lubricating properties; cam-rise action for smooth operation and reduced gasket wear - Function: self-closing with adjustable hold-open behavior; reversible for different door swings - Performance: reliable door control with reduced effort and consistent operation on uneven or irregular floor surfaces - Compatibility: industry standard design suitable for standard doors; reversible for right- or left-opening installations Applications and use scenarios - High-traffic service areas: commercial kitchens, cafeterias, and busy back-of-house doors where hands-free operation and reliable closure are important; hold-open capability facilitates frequent passes and loading tasks without shutting the door - Climate-conscious and gasket-aware spaces: entrances between climate-controlled areas or rooms with gaskets, where cam-rise action helps minimize gasket wear and maintain a proper seal on irregular floor surfaces - Flexible door orientation needs: installations that require easy reversal for right- or left-opening doors without additional hardware or disassembly, enabling quick adaptability in changing layouts or space requirements Notes - All features described are based on the original design: industry standard self-closing cam-rise hinge, nylon cam with self-lubricating properties, cam-rise action, hold-open capability beyond 130 degrees, and manual hinge reversal for door swing compatibility