1. Application range: power amplifier 2. Material: spindle alloy, iron nut and washer, plastic 3. Surface treatment: gold-plated 4. Connection method: with 4mm banana plug connection, it can also be directly crimped, 3mm perpendicular to the crimping hole of the terminal 5. Two holes on the panel: 12 mm in diameter, 19 mm between holes 6. Length: 42mm 7. Screw shaft diameter: 5 mm 8. Foot pitch: 19mm, can be installed on a panel less than 5mm thick 9. Weight: about 3 grams/piece 10. Features: beautiful and practical, stable performance, simple and convenient installation, fine workmanship, durable