Grounding kits body is made of T2 copper, grounding wire is 16mm2 or according to your requirement,

clip on type, waterproof, protect feeder cables against damage from lighting stroke, matching 1/4'',3/8'', 7/8'', 1 1/4'', 1 5/8'' cable, waterproof tape is included. The ground body could also be tinned.