Captive Screw Connectors Extron Captive Screw Connectors are available in packages of 10 each for commonly-used 3.5 mm and 5.0 mm applications. They provide connectivity for power, balanced or unbalanced line level audio, IR or serial control, or amplified speaker output. Features Available in 2-pole, 3-pole, 4-pole, 5-pole, and 6-pole configurations Available with or without integrated strain relief tail 3.5 mm versions accept 16-28 AWG wire 5.0 mm versions accept 12-22 AWG wire Sold in packages of 10 pieces