Constructed of zinc plated steel. Features 1 or 2-way ratchet with free spool center position. Has one piece solid gear. Predrilled for 3 bolt mounting.52131 & 52161: Cable 5/32" x 25' (.39cm x 7.62m )52191 & 52251:Cable 3/16" x 25' (.47cm x 7.62m)