Smaller 4" version of model 79 bolt.  4" locking neck bolt complete with two types os strikes and fastners.  Laminated bolt has a full 1-1/8" throw and can be locked in the open or closed position.  Offset of neck bolt is 3/4".  Base size is 2" x 4-1/2".  Will accept padlocks with shackles up to 1/4" diameter.  Steel body in zinc plated.