2-20Pcs Brass Crystal Binding Post for Thread Audio Speaker Amplifier Banana Plug 4mm Jack Terminals Connector Easy installat

Power Source : AC&DC High-concerned chemical : None Model Number : 4mm Brass Speaker Amplifier Binding Posts Item Type : banana Gender : Male Origin : Mainland China Certification : CE Body material : gold-plated brass+ ABS Product size : 4.2 x 1.4 x 1.4cm/1.65 x 0.55 x 0.55" Product weight : 25g/pc Product color : red, black Packing : OPP packaging with red and black each one Scope of application : speaker amplifier line and DIY production Full length : 42mm/1.65" Maximum OD : 14.5mm/0.57" Line hole diameter : 4mm/0.20" Screw OD : 7mm/0.28"