This grounding block is a must-have for anyone with an outdoor antenna setup. (E2) Designed to prevent static discharge, it is compatible with the RadioShack 15-923 antenna and features F Connector Female connectors on both ends. The gold color adds a touch of style to your setup and it comes in a single unit quantity. Made in China, this grounding block is a reliable addition to your TV, video, and audio accessories. These are in new condition. The plastic is still on them, no box. Please see pictures for greater details. Please check out other items our store. Thank you!