33mm 40mm Metal Gold Plated Amplifier Speaker Binding Posts Terminal 4mm Sockets Banana Plug Jack Connector audio sound Plug

33mm 40mm Metal Gold Plated Amplifier Speaker Binding Posts Terminal 4mm Sockets Banana Plug Jack Connector audio sound Plug Product details : Material of nuts, gaskets and rings: iron Product color: red, black Scope of application: speaker amplifier line and DIY production Detailed parameters:

as picture shows no.1: 33mm length nickel plate Push-Type Spring Self-Locking Socket no.2 : 40mm length nickel plate Push-Type Spring Self-Locking Socket no.3: 33.8mm length gold-plate copper Push-Type Spring Self-Locking Socket no.4: 306 type gold-plated binding post speaker no.5: 4mm M3*45 Banana Binding Post Socket metal type no.6: 40mm length gold-plate copper Push-Type Spring Self-Locking Socket

package ： 1 pair（ 1 red + 1 black） for choose