Brown Pivot Set - 3/4" offset for use with Aluminum Doors and Frames - DU Finish. Baked Satin bronze paint finish. 1/8" vertrical adjustment. For doors up to 125 lbs. Case hardened stud in floor/jamb portion. Full race ball bearing in bottom door portion. Case hardened, spring loaded pin in top door portion. Oilite bronze bushing in top frame portion.