Brand: Perfect 10 Single Ground Lug with Mounting Bolt Attach to any electrically grounded surface for an antenna grounding lug UL Approved Large Clearance Holes Machined Aluminum Body Hard Steel Binding Screw Properly attach this aluminum mounting lug to a properly grounded metal surface and it provides an additional point to secure a grounding wire. This surface can be a grounded metal case, a grounded electrical panel, a grounded raceway box, a grounded trailer frame etc. This is a UL approved ground connection device when correctly installed according to NEC requirements. Quantity: 10 Pieces