koolehaoda 240mm Professional Rail Nodal Slide Metal Quick Release Clamp, Dual Dovetail Camera Bracket Mount with Double-Sided Clamp can be Rotated 90°, for Camera with Arca Swiss Compatible (LCB-24R): Amazon.co.uk: Electronics & Photo
Double Sided Top Tool Clamp for Promecam/European/Amada Type - Shop | SS Laser Solutions