DH-112 is a pair of high quailty door or window hinges with ball tips. These architectural grade hinges are exact replicas of old style hinges including vintage Stanley brand hinges. The hinges are made of stainless steel with a polished brass finish and feature removable pins with large ball tips. The pin and upper ball are made of one peice of steel. The overall measurement is 4" by 4". The ball tips are 9/16" in diameter. The hinges are 135 guage. These hinges are only sold in pairs. Please note that the knobs are a special order item and may take up to ten days to ship. They are returnable if you are completely satisfied.