Guest 4006 Ground Plate 6 X 2 12 Sq.Ft EquivalentDimensions: 6. 0"W x 2. 0" H x 0. 50" D Mounting Holes: 2 1 2" center to center Mounting Hardware: 1 3" Gold plated bolt and nut, 1 3" Bronze bolt and nut, 3 cooper washers Weight: 3 Lbs. Product Features Use for basic bonding and grounding Improves performance of electronics and reduces RF interference Offers the best path for hull bonding without long runs of copper foil Equivalent to 12 square feet of copper foil Provides a direct, low resistance