ITEM NAME:2PCS Dual Female Banana Plug Terminal Binding Post Socket for Speaker Amplifier Description Specifications: Application: Lighting, power Type: Power Line length: 102 (mm) Contact material: Alloy Insulator material: Plastic Material: gold-plated spindle alloy, nuts and pads are iron-plated, Connection: with 4 mm banana plug connection, but also direct crimping. Vertical perpendicular to the post pressure line hole 3mm. Panel open two holes diameter: 13mm, two holes from 19mm. Length 45mm, screw shaft diameter: 5mm, pitch 19mm Can be mounted on the panel within 6mm thick. Package included: 2* Binding Post.Connection: with 4 mm banana plug connection, but also direct crimping. Can be mounted on the panel within 6mm thick. Line length: 102 (mm). Detail Image.