Gold Plated Copper Connector Binding Posts The Fosmon home theater wall plate binding posts are made with high quality gold plated copper connectors that resist oxidation and corrosion. No soldering or special tools required. Matching binding posts on the front and back of the wall plate are equipped with easy to install thumbscrews that are color coded for polarity. Easy to Install The Fosmon home theater plastic wall plates are easy to install and include all the screws you need to mount them into standard size gang boxes. Can be used with the included plate or used with any color GFI or rocker toggle switch plate of your choice. Connections Fosmon home theater wall plates are designed to be used with banana plugs, spades or bare wire on both the front and rear of the plate. Banana Plugs Accommodates banana plugs on both front and back sides of the plate at the same time depending on the inside depth of your gang box. Deeper gang boxes work better with installations like this. Limited Lifetime Warranty This product comes with a limited lifetime warranty. Please refer to Fosmon’s website for more information. Specifications Wall Plate: Distance between positive & negative binding posts - 17mm (approx. 11/16in) Depth of biding post from front to back 25.4mm (1in) Binding Posts - 4 pair Mounting Bracket: 1-Gang bracket opening measures 2.125 " x 3.5". Fits wall thicknesses from 1/4" to 1" thick. ABS UL94-V0 material Package Includes 1x Banana Binding Post Wall Plate 1x 1-Gang Mounting Bracket NOTE: Banana jacks do not work with Paired/Dual banana plugs. Only works with single/individual banana plugs.