Used on swim platform Length: 150mm (6.0") Width: 60mm (2.4") Thickness: 25mm (1") Hole Distance: 80mm (3.1") center-to-center Hole Diameter: 11mm by 15mm, and 11mm (0.43") Insert: Front face 18mm (0.70") from back side of anode Weight: 1.0kg (2.0 lbs)