Check the listing for details. Lot Of 10-Holland Electronics Grounding Block Model GL-G2B2. Condition: New. Listed at 19.95 USD. G04) Introducing a lot of 10 Holland Electronics Grounding Block Model GL-G2B2. These grounding blocks are compatible with the Holland Electronics GL-G2B2 model and come with Coaxial F Female and F Connector Female connectors. They are perfect for use in TV, Video & Audio Accessories and Video Cables & Interconnects. The brand is Holland and the type is Grounding Block. These grounding blocks have been designed to give you the best performance, and they come with Coaxial F Female and F Connector Female connectors. The lot is compatible with Holland Electronics GL-G2B2 model and are perfect for use in Consumer Electronics, TV, Video & Home Audio. With these grounding blocks, you will get the best picture and sound quality for your TV and Audio.