Double steel roller block with bearing - designed for insurance, lifting and lowering loads, pulling the railing and creating chain hoists. Allows use of both single and double rope. Available with bearing only. It has a third dividing cheek with a lower hole for a carbine. Work’s with a rope and a cable with a diameter up to 12 mm.
Advantages over the block roller of the previous modification (ver 0406 Double steel block roller with bearing):
Increase in efficiency by 10-15%
Longer life due to the use of a stainless steel roller
Low roller roughness reduces wear of climbing ropes