BKL Male Header Double Row 2.54mm Pitch Straight 16 to 50-pole – BKL 10120553, BKL Electronics 10120553 These pin headers are suitable for use with female headers, housings or jumpers. For direct soldering on PCBs. Gold plated contacts. The insulation is notched between each pin making it easy to cut the strips into intermediate lengths. BKL 10120553 Male Header Double Row 2.54mm Pitch Straight 2 x 25-pole 6.8mm Pins