National Hardware Door Hinge, Full Mortise, Round Corner, Series: V514R58, Knuckle Bearing, 0.272 in Hole Diameter, 0.08 in Leaf Thickness, 4 in Door Leaf Length, 4 in Frame Leaf Length, Non-Rising, Removable Pin, 0.234 in Diameter Pin, Wall Mounting, Fasteners: (5) Knuckles, NO 9 Flat Head Screws, 55 lb. Load Capacity, 4 in Overall Width. Stainless steel for maximum corrosion resistance. Nib on hinge for finished appearance. 58 in. radius round corners. Non-rising pin. Heavy-gauge material for added strength. Five knuckle full mortise design. Screw holes are countersunk. Removable pin for easier installation.