Rackham's (Toby Schmitz) Screen Used Lock & Stunt Lock Set.
It was used in season 3 episode 308, to lock Rackman to the carrige floor when he is being transported to the spanish.
It Included 5 locks (1 made of metal and 4 made of plastic) and 1 Key
They messure about 3"
The plastic ones have/use a magnet to hold them closed
The metal one is matched to the screen grab
