ASRU145-60 is aluminum roller with two internal sealed bearings, can be readily secured to a wooden or metal cross arm via the arm adaptor. The sheave can be mounted in any one of 8 positions. This allows it to be used in a wide variety of conductor stringing operations. The sheave has been designed so it can also be turned 180° to be used from either side. Or it can be suspended from a bracket mounted on the pole.

Alternative positions are –

Parallel with the arm, 22.5°, 45°, 67.5°, 90°, 112.5°, 135°, 157.5° or at 180°, parallel to the arm but reversed.