This latching safety rotating eye hasp is made of 304 stainless with a bright tumbled finish, helps keep valuables safe! A perfect replacement for old rusted hasps, swivel eye secures the hasp to the base so it doesn't rattle around when the boat is under way. Mounts with 8 - #8 fasteners (not included because we don't know what length you'll need!) A - Width - 1" B - Length closed - 3-3/4" Mounting base - 1" W x 1-1/4" L to center of hinge pin. Mounting holes 9/16" apart on center Locking base - 1-1/4" W x 1" L. Mounting holes 12/16" and 9/16" apart on center