... .0T are ideal devices for derrick, dual cycle building hoist (single rope). Technical parameterItemRated force of steel rope(KN)Adapted ... modelDimension of steel rope(mm)Rope capacity(m)Average rope speed(m/min)Outer size (mm)Weight (kg)JKB2. ... with convenient antiskid coupling, or enclosed antiskid joint device;High speed, stable rotation, low noise, safety, high efficiency, excellent performance ...