QualConnectTM F-pin Coaxial Grounding Block, 2.5 GHz, Dual F-pin Female QualConnectTM F-pin Coaxial Grounding Block, 2.5 GHz, Dual F-pin Female Cable TV Accessories Grounding Blocks QualConnectTM QualConnect Certificate of Authenticity UPCs ONLY associated with sole selling by QualConnectTM