Ground hook : light aluminium alloy compression casting,

Pole : use light epoxy resin  to produce, high strength, ultralight.

The baling wire : electrolysis copper wire.

The protective covering : use plastic that applicable temperature scope : plus/minus 40 degree

Earth/ground wire is an additional wire for safety, it is used to ground metal parts of devices and electrical wiring so thay can't become "live" (dangrous to touch)

The other products we have : insulated single ladder, joint ladder, A-type ladder, light fiberglass lifting platform, security earth wire, Ultroportable rainproof HV brake pull-rod, compact substation operation rod, extension high-voltage operation rod(brake pull off rod) , pole climber, aluminium alloy foot clamps for fix diameter, safety rope, safety belt, steel cable puller, H-connector, cable cleat and so on.