Grounding Connector: Copper, 8 AWG SOL/8 to 1/0 AWG STR Grounding Wire Size, 1 Grounding Wires pkg. of 5 Large and sturdy platform fits

Large and sturdy platform fits laptops up to 17"

u could test it in car outside

and hard floors

semi-round shape

Grounding Connector: Copper, 8 AWG SOL/8 to 1/0 AWG STR Grounding Wire Size, 1 Grounding Wires pkg. of 5 Large and sturdy platform fitsGrounding Connector: Copper, 8 AWG SOL 8 to 1 0 AWG STR Grounding Wire Size, 1 Grounding Wires pkg. of 5 Ground rod clamps connect conductors to grounding rods or rebar. They fit over both pieces and tighten down with a screw. Brand BURNDY Grounding Wire Size 8 AWG SOL 8 to 1 0 AWG STR Grounding Wires Connected To3 4 in Rod MaterialCopper Number of Grounding Wires1 Description Special FeaturesDirect Burial For Use WithCopper Conductors; Ground Rods