- BNC Keystone module for use with our snap-in keystone blocks - BNC keystone female to female connector - Supplied in a pack of 2 - Nickel plated connectors - Suitable for use with our range of snap in bezels and wall plates - 2 year warranty The LINDY Modular AV Face Plate System allows you to create your own custom face plates by using a combination of Snap-in Blocks and Keystone modules. Fit this F type Keystone into a Keystone Snap-in Block and place into a face plate along side other Keystone and Snap-in modules. These modules provide a full range of solutions for AV, networking, voice and audio installations. The wide selection of modules and face plates can be custom configured giving you greater control and flexibility.