This simple adaptor allows you to use pretty much any bobbin and chain set-up that you choose, with our Magnetic Hockey Stick. This stainless steel adaptor features a thread which most existing chains and fittings on the market can be screwed into, and the other end of it fits into the Magnetic Hockey Stick. This means you can now attach and detach any indicator of your choice very quickly and easily, with no need to unscrew anything. Each pack contains three adaptors