Steel Card thread 
 ★ tighten the wire used to adjust the overhead lines sag from high strength steel cable is better, but heavier body. 
 Model rated load for the weight of wire openings 
 (KN) (mm2) (mm) (kg) 
 GK-1 10 LGJ25-70 14 1.6 
 GK-2 15 LGJ95-150 18 2.5 
 GK-3 25 LGJ185-240 24 3.8 
 GK-4 40 LGJ300-400 32 5 
 GK-5 50 LGJ500-630 37 8.8 
 GK-6 70 LGJ720-800 40 11 

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