BKL Male Header Single Row 2.54mm Pitch Straight 3 to 50-pole – BKL 10120204, BKL Electronics 10120204 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 10120204 Male Header 2.54mm Pitch Straight 1 x 20-pole 6.8mm Pins