PCB edge connector 7+4 way, pins 7 solder tags + 4 solder tags numbered 1,2,ba,4,5,6,7,8,9,10,11,12 dividing plate looks secured, but should be easily removable. The mounting plate with two slots can also be removed housing is slotted to allow use on full width cards. Ideal for use on synthi and Derek Revells "Phutney" synthesiser X boards ( just slot the board to accept dividing plate which then gives a really tight fit with no lateral play - or remove plate) see pics. Slotting the board takes 30 seconds with a standard hacksaw blade and a steady hand. Status: aviation / military spec part. manufacturer TBC. RoHS compliant: tbc link to Dereks superb synth page : http://www.phutney.com