Descriptons:
100% brand new
Convenient and reliable 
Pure copper with 24K gold plating for maximum signal transfer and durability.
Double screws locking to secure the cable
Easy to fit for wire size up to 3.5mm.
Accept speaker wire: 
8AWG， 9AWG， 10AWG， 11AWG， 12AWG， 13AWG，14AWG， 15AWG， 16AWG， 17AWG， 18AWG， 19AWG， 20AWG

Specifications:
Material: Copper pin and plastic cover
Size:
Plastic cover internal diameter: 8mm
Wire hole internal diameter：4mm
Pin diameter: 4mm
Pin length: 37mm
Total length: 47mm

Attention:
4 X 4mm Banana Plug B3 is including 2 pairs banana plug (2 red and 2 black)
8 X 4mm Banana Plug B3 is including 4 pairs banana plug (4 red and 4 black)
12 X 4mm Banana Plug B3 is including 6 pairs banana plug (6 red and 6 black)
16 X 4mm Banana Plug B3 is including 8pairs banana plug (8 red and 8 black)
20 X 4mm Banana Plug B3 is including 10pairs banana plug (10 rea and 10 black)

Package includes:
Quantity of Banana plug your choose (4 X/8 X/12X/16X/20X)