Stainless steel 316 Circle Hinges, Upholstery, 4-Stud, Dia 1.5" Stainless Steel 316 Designed to hide unsightly fasteners and to maintain the sharp lines of your interior and exterior upholstery. Diameter: 1.5" STUD SIZE: 1/4" STUD CENTER TO CENTER: 7/8" MPD_712Regular price: $23.99Sale price: $7.99