Round key style lock, keyed alike to X8601, threaded portion of lock is 7/8 in. (2cm), lock tab pin is 3/8 in (1cm), lock tab is 1-1/4 in from center of pin hole to outer edge (3.1cm). Will work in many Japanese machines including Sega, Nintendo, Nitchubitsu, etc. as well as being a higher security lock for North America cash boxes, etc. Double "D" hole is 3/4in (2cm) with the "D" width being 5/8 in (1.6cm).
A good quality, sturdy lock with brass nut, plated finish, and nyloc nut for the tab.