12mm head breadth hole pitch 7mm suitable for skagen SKW456SRR1 SKW456SGSG SKW456SRM SKW456SSS The package is equipped with 4 small screws and tools for customers to replace by themselves The package is equipped with 4 small screws aMaterial: stainless steel Milan strap, not easy to fade, durable, the longest wrist around to 170mm-180mmnd tools for customers to replace by themselves Thickness of strap: 1.4mm-1.5mm If you don't know how to choose the right strap, you can bring the picture of the watch (front and back) to us and we will give you the right answer.