Bethea's UB-1-A Universal Roller is the solution to your search for a quality engineers sheave that is lightweight (9.4lbs)， versatile， durable， and dependable. It can be intermixed with similar stringing blocks and mounting attachments manufactured by others， without affecting conductor sage and tension.

The quality of the UB-1_a roller is not surpassed by any roller of its type. Its aluminum parts are cast from high strength A356 alloy， heat-treated to the T6 condition， giving it the capability of withstanding rough treatment under adverse conditions while supporting heavy loads.