2 Inch Heavyduty D-Rings (100 Pieces, Nickel) 2 Inch Heavy Duty Nickle Plated D-Rings Inside Dimension: 2 Inches Wide x 1.2 Inches Tall Outside Dimensions: 2.4 Inches Wide x 1.6 Inches Tall Wire Thickness: 0.2 Inches (5 mm)