Stainless Steel Bimini Boat Top PAD EYEThe distance between the mounting holes is 1-5/8inchOverall size is 2inchThe top is 1/2inchIt is product of durable 304 stainless steel to help prevent rust.Material : 304 stainless steelColor : SilverOverall length: 53mmThickness: M5Pitch: 42mmPackage : 6 x Hump small handleNote: Light taking pictures and different displays could cause the colour of the thing within the photograph somewhat diverse from the real thing. The dimension allowed error is +/- 1-3cm.