2pcs Gold Plated Amplifier Speaker Binding Posts Terminal 4mm Sockets for Banana Plugs 1 Pair Gold Plated Amplifier Speaker Binding Posts Terminal 4mm Sockets for Banana Plugs ======== Features: 1. 24K gold-plated terminals, copper conductor material, durable. 2. Oxidation resistance, low distortion, beautiful appearance, cost-effective, suitable for amplifier DIY; Specifications: Body material: gold-plated alloy Material of nuts, gaskets and rings: iron Product size: 3.4 x 1 x 1cm/1.34 x 0.39 x 0.39" Product weight: 10g/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: 34.5mm/1.36" Maximum OD: 12mm/0.47" Line hole diameter: 5mm/0.20" Screw shaft length: 17mm/0.67" Screw shaft diameter: 4mm/0.16" Insulator OD: 12mm/0.47" Recommended chassis opening hole diameter: 6mm/0.24" Tail-hole diameter: 4mm/0.16" Plate thickness: less than 4mm/0.16" Package included: 2 x Speaker Binding Posts for Banana Plugs Many kinds of designs and colors to choose.Compact,light-weight,durable Perfect for cold days when you don't want to remove your gloves Easy to carry with and storage,Compatible with: Universal for Smart Cell phone Tablet PC,Keep your work more simply with this accessory