ESP VRT-AF Florence combination mail box lock. Replacement for 2007 and newer Florence mail boxes that use the Hudson combination lock. 3 number combination with a spring bolt. Lock body is 1 3/4" square not including the mounting ears and is 3/4" thick. Dial knob projects 3/4" from the body. The spring bolt projects 5/8" and is 3/4" wide. Dial face is flush with lock body.