Features 2MM PIN SCREWS SPEAKER PINS - GearIT Speaker Pin Connectors with Pin Screw Type Speaker Wire Plugs provide optimum signal transfer from speaker wires. 2mm Pin screws keep the speaker wire connection strong and secure. EASY TO INSTALL - GearIT Speaker Wire Plug Connectors make speaker wire installation easy and is best suited for Spring Clips, Speaker Wire Terminals, Speaker Wire, Wall Plate, Home Theater, Audio/Video Receiver, Amplifiers and Sound Systems COLOR CODED GOLD PLATED CONNECTORS - Gold plated banana plug connector pins resist corrosion for long lasting use. Positive end for red, and white end for negative speaker wire connector. COMPATIBLE WITH SPEAKER WIRE SIZES - Speaker plug accepts speaker cable sizes from 10 AWG, 12 AWG, 14 AWG, 16 AWG, 18 AWG, 20 AWG speaker wire inserts. The 10 gauge (10ga) audio cable will only capture the copper wire itself as the banana plug is not big enough to accept the speaker cable insulation jacket as well. Maximum up to 4mm diameter with jacket. PACKAGE CONTENTS - Each GearIT Speaker Plug pack includes six pairs (6 pairs, 12 pieces) banana plug connectors made of non-magnetic aluminum shell and magnetic gold-plated brass pins. All GearIT Banana Plugs come with limited lifetime warranty. Video