OJOP 704 Series Overcentre Fastener Locking c/w Safety Catch – Stainless Steel€1.00704 Series Large Overcentre Fastener -Locking with Safety Catch. OJOP 704 Series Overcentre Fastener Locking c/w Safety Catch - Stainless Steel quantity Add To Quote Part Num: 542761 Categories: Fasteners, Overcentre / Toggle Fasteners, Ojop Overcentre Fasteners Brand: Ojop Description DescriptionA large locking, 316 stainless steel overcentre fastener from Ojop, complete with adjustable screw loop and lockable via padlock loop and added Safety Catch. For use with 522431 (20C), 522531 (22C) & 522831 (41C) catch plates.