Bkl male header single row 254mm pitch straight 3 to 50 pole bkl 10120513 bkl electronics 10120513 for vertical mounting as a cable connector pcb connector strip or with option jumpers for printed circuit boards flat cable connectors etc the insulation is notched between each pin making it easy to cut the strips into intermediate lengths bkl 10120513 male header 254mm pitch straight 1 x 40 pole 58mm pins