High quality door hinges with ball tips are exact replicas of old style hinges. Removable pins with large ball tips. Stainless steel. Available in 3 sizes and 4 Finishes: Polished Brass, Polished Nickel, Brushed Nickel, Oil rubbed Bronze. Highly polished steel door hinges. Swaged. 5 knuckles. The pin and the upper ball tip are made of one piece of steel and it is removable. 135 gauge steel. (1/8" thick) The ball tips are 9/16" diameter. The corners are square.