Hoppe Square Rosettes for Euro Profile Cylinder.

The outside is thicker than the interior, Requires an offset cylinder.

Exterior Diameter: 2-3/16 inch (55mm) 2.165"
Exterior Thickness: 9/16 inch (15mm) .590"
Interior Diameter: 2 inch (52mm) 2.04"
Interior Thickness: 3/8 inch (10mm) .393"
Screw Hole Spacing: 1-1/2 inch (38mm) 1.496"

Fixing: Concealed screws, bolt through M5 Thread
Finish: Stainless
Base Material: Zamak Exterior, Steel Interior

Note: Zamak is a base metal of zinc and alloying elements of aluminum, magnesium, and copper, typically used in die cast materials.