Hager BB1191NRP Standard Weight Ball Bearing Hinge
4-1/2" X 4-1/2" Five Knuckle, Full Mortise, Non-removeable pin, Brass with stainless steel pin.
Satin Chrome/ Stainless Steel
For use on medium weight doors or doors requiring medium frequency service. Two ball bearings. Non-rising removable pin with button tip and plug.