2pcs 4mm Gold Plated Amplifier Speaker Binding Posts Brass Terminal with Transparent Shell for Banana Plugs 1 Pair 4mm Gold Plated Amplifier Speaker Binding Posts Terminal with Transparent Shell for Banana Plugs ======== Features: 1. Gold-plated terminals, brass conductor, transparent crystal housing; 2. Oxidation resistance, low distortion, beautiful appearance, suitable for amplifier or speaker DIY; Specifications: Body material: gold-plated brass+ ABS Product size: 3.2 x 1.4 x 1.4cm/1.26 x 0.55 x 0.55" Product weight: 24g/pc Product color: red, black Packing: OPP packaging with red and black each one Scope of application: speaker amplifier line and DIY production Detailed parameters: Full length: 32mm/1.26" OD: 14.5mm/0.57" Line hole diameter: 4mm/0.20" Screw OD: 7mm/0.28" Screw shaft length: 12mm/0.47" Screw shaft diameter: 4mm/0.16" Insulator OD: 6.6mm/0.26" Recommended chassis opening hole diameter: 5-6.8mm/0.20-0.27" Included: 2 x 4mm Brass Speaker Binding Posts for Banana Plugs 1. Gold-plated terminals, brass conductor, transparent crystal housing; 2. Oxidation resistance, low distortion, beautiful appearance, suitable for amplifier or speaker DIY; Specifications: Body material: gold-plated brass+ ABS Product size: 3.2 x 1.4 x 1.4cm/1.26 x 0.55 x 0.55"