The Toilet Partition Continuous Hinge Stainless Steel, 54-1/2", 1/4" Pin is 54-1/2" long by 3" wide with a pin diameter of 1/4". They are constructed of 14 gauge (.075" thick) stainless steel. Holes are spaced every 13" or so, and are 9/32" diameter. The hinge is self closing by a cam action, which is made possible by angle cuts on the continuous hinge leafs. Can be raised up 3/8" for emergency entry. This hinge is also known as a Bathroom Stall Full Length Continuous Hinge. This hinge is non handed. This piece features a cam, which makes it self closing. Manufacture part # 7599, 125319, 650-9402.