NLD series bolt tension clamps are mainly used in standing power lines or power substations, fixed conduction lines and lightning rods and can also be used to join strain insulators by joining hardware or joining the lightning rod on the perch.
The body of the pliers and the strikers are made of malleable cast iron, the frame of the cotter pins is made of stainless steel, the other parts are made of steel.
The gripping force of the pliers is greater than 95% of the breaking strength of the conductor.