Standard Banana Jack, Solderless and Stackable, 5000 VRMS (Max.), 15 A, +122 ?FRegardless of the type of system you are designing or installing, you need a variety of connection aids. Pomona offers plugs, jacks and binding posts to fit a variety of applications. Whether you're setting up a complex access panel or need a simple banana plug for a monitor. In the shop, lab, studio, or on the road...Pomona keeps you connected with quality.Internal set screw holds wire firmly. Safety collar insulates exposed wire leads. Accepts standard banana plug and fits 0.166 in. (4.22 mm) dia. banana jack. - Material: Banana Plug/Jack - ? brass; - Spring: ? heat treated beryllium copper.?Designed to Fit on the End of Any 22 AWG to 18 AWG Wire ?Cross Hole Wire Entry Fits Up to 0.12" (3 mm) Diameter ?Set Screw Simplifies Assembly of Test Leads and Jumpers by Using a Flat Blade Screwdriver ?Fits Standard Panel and Binding Post Banana Jacks 0.161" to 0.166" (4.0 mm to 4.2 mm) Diameter