The LINDY Modular AV Face Plate System means that you can create your own custom face plates by using a combination of Snap-in Blocks & Keystone modules. Fit this banana Keystone into a Keystone Snap-in Block & place into a face plate along side other Keystone & Snap-in modules. These modules provide a full range of solutions for AV, networking, voice & audio installations. The wide selection of modules & face plates can be custom configured giving you greater control & flexibility. Additional required products... Please Note: The LINDY Modular AV Face Plate System must be used in conjunction with LINDY Keystone Snap-in Blocks & Face Plates. Place this Keystone into either a Single Keystone Snap-in Blocksor Dual Keystone Snap-in Blockswhich come in packs of four. Then use with a Single Gang Face Plateor Double Gang Face Plate.