Over Center Catch - 3 sizes Size:Large (24411) hole required in boat to

hole required in boat to mount  50mm

All units meet US Navy specifications and are designed to meet the requirements of the American Bureau of Shipping

these were originally designed with a 10W halogen bulb and have been coverted to LED to modernise and improve efficiency

and is assembled for DIY

Over Center Catch - 3 sizes Size:Large (24411) hole required in boat toOver Centre Catch Stainless Steel Lockable All s s over centre catch with a threaded shaft allowing regular adjustable tension to be placed on or around a hatch with a rubber seal or areas where adjustment may regularly have to be done. Small: 90mmL x 35mmW Medium: 110mmL x 35mmW Large: 180mmL x 60mmW Robust pressed stainless steel with cam action lever.