Small Hook (3kg): Pack of 50PACK OF 50 Compact and elegant design, with thumbscrew to lock on to our Clear and Steel Vertical Hangers (or this hook can also be used with other picture hanging wires perlons up to 2mm in diameter). The only hook to fit with the small holes on the back of "snap" "click" frames (see image) World's smallest hanging hook, making it less visible when using triangle hangers, where the hooks are visible above the frame For hanging small light pictures.