Double Through Deck 20mm Sheave Block A2122

Hull feedthrough with double sheave for ropes up to 6mm. 20mm pulleys. - - Halyard feedthrough with double block for max. 6mm ropes. 20mm sheaves.60mm lengthBreaking load 350kgWorking load 105kg. DOUBLE THROUGH DECK ALLEN A2122 20mm Double Dynamic Through Deck Block. Our through deck blocks offer frictionless guidance for rope and wire control lines which are required to pass through a deck. Featuring a hard - wearing acetal body shaped perfectly to house the sheave, which results in a performance that you can rely on for adjustable rigging and other highly loaded applications. Available with one or two sheaves and in plain and ball - bearing systems to suit a wide variety of applications. Bearings - Dynamic Blocks feature our patented bearing system which uses twin rows of stainless - steel ball bearings running on a stainless - steel rail. This provides a superior load - carrying ability and longevity when compared to other bearing systems which run on a plastic rail. Product sheet Technical documents can be downloaded here