MacPro® Hinges High quality MacPro® hinges are an extraordinary value, ideal when large quantities of standard hinges are needed. They are available in standard and heavy weight, and are now available in an electrified version. MacPro® Electric Hinges are now available! MacPro® Electric Hinges connect the power source to electrified locking hardware and exit devices. They are ideal for new construction as well as retrofit and aftermarket applications. MacPro Electric Hinges easily retrofit existing electric hinges with center exit wires. MacPro® Hinges now available in 5" x 4-1/2" Heavy Weight!High quality MacPro hinges are an extraordinary value, ideal when large quantities of standard hinges are needed. MacPro hinges include non-bearing and bearing hinges. For doors with a closing device, a bearing hinge must be used. For heavier doors with closing devices, select a heavy weight bearing hinge. Choose Stainless Steel for situations where hinges are exposed to the elements. Choose the NRP (Non-Removable Pin) option in situations where tampering may be an issue.