Heavy Duty Exterior Door Hinge (DH1001-100-3SG)The DH1001 100 heavy duty door hinge is designed for exterior and high use doors that require strong load bearing performance and long term durability. Manufactured from high quality metal with a reinforced 3 knuckle construction, this hinge provides smooth operation while supporting the weight of solid timber, metal and security doors. It is ideal for entrance doors, external doors and commercial or high traffic residential applications. The