Description Ultra Lock Screws Made in Japan – These screws have ended frustration for hundreds of people – and can do the same for you. These screws are EXCELLENT at what they do: easily and efficiently lock eyepieces and accessories with a herculean grip, even with gloves on – and unlock them easily when the time comes. They are tight, long, elegant and easy to tighten and undo. M4 size. Enjoy! Includes: One (1) x M4 Ultra Lock Screw We recommend getting a few – you will find more and more uses for them! These are $4.95 each, buy as many as you need.
