Adjustable & locking max weight capacity:150lbs/pair - specially for hanging heavy air cooled reflectors. - lock tightly, never break or slip. - special metal finishing on caribiner clips, never get rust. - special composite material for body, heat and cold resistant. - 8ft. Braided polypropylene rope matched, allowed hanging objects at different sizes. - easy using and wide usage. Also works great for hanging carbon filters, ventilation equipments and much more. - spec: 1/8' - max weight capacity: 150lbs/pair - sold in pair, packed by blister package, allowed oem brand.