Grade 70 Transport Chains, 5/16 in, 4,700 lb Limit, Yellow Dichromate ORS NASCO ignite at 350°|Adjustable side vents

Grade 70 Transport Chains, 5 16 in, 4,700 lb Limit, Yellow Dichromate ORS NASCO ignite at 350° Adjustable side vents ignite at 350° Adjustable side vents help increase airflow Fits naturally to the contour of your face Lightweight and comfortable with a pivot headband for optimal placement Metal free design to minimize electrical transference risk Solid hub construction increases balance and reduced vibration Grade 70 is extremely strong for its light weight and is used primarily for load binding in the transportation industry Grade 70's high strength to weight ratio is achieved by special heat treating It resists wear because of its exceptional hardness properties