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HIS Quadrant Blocks

create a large bend radius at a 90° angle for feeding or pulling cable

The multi-sheave unit is available in 9", 12", 18", 24", 36", 48" and 60" radius and 3", 5" and 7" widths

HIS Quadrant Blocks are available with Aluminum, Aluminum / Chromoly Steel or Nylatron sheaves

For standard configurations please see the chart below
Also available in 8" widths
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his quad block action image
(Shown using a HIS Quadrant Block at vault rim)
HIS hqb diagram image