Cable pulley block,Cable Block, Cable block ,lifter, Stringing blocks ,cable roller were used to string different  conductors. Description: a.We manufacture a lot of models Cable pulling block for different uses in the overhead transmission line construction. b.They have are used to support conductors, OPGW,ADSS, communication lines c.The sheave of the pulley blocks are made from high strength MC nylon,or aluminum materials ,and the frame of blocks are made of galvanized steel. d.cable pulley block are high strength and flexibility, easy to use, light weight, wear-resisting, and long service life. Product type Suited conductor/cable Rated load(KN) Weight(kg) Note JKFH-120x35 LGJ25-70 5 1.8 Aluminum JKFH-160x40 LGJ95-120 10 3.2 Al JKFH-200x40 LGJ150-240 15 3.8 Al JKFH-200x60 LGJ150-240 15 4.2 Al JKFH-250x40 LGJ15-240 20 5.2 Al JKFH-250x60 LGJ300-400 20 5.5 AL JKFH-270x60 LGJ300-400 20 6.8 Al JKFH-320x60 LGJ300-400 20 10.5 Al JKFH-400x80 LGJ400-500 20 12 Al SHDN-120x30 LGJ25-70 5 1.5 Nylon SHDN-160x40 LGJ95-120 10 2.4 N SHDN-200x40 LGJ150-240 15 2.6 N SHDN-200x60 LGJ150-240 15 3.1 N SHDN-250x40 LGJ150-240 20 3.7 N SHDN-250x60 LGJ300-400 20 3.9 N SHDN-270x60 LGJ300-400 20 4.4 N SHDN-320x60 LGJ300-400 20 7.5 N SHDN-400x80 LGJ400-500 20 11 N Cable Block,Cable Puller Hook Sheave Pulley,Current Tools Hook Sheave,Cooper Cam bell