Duplex refers to swage sleeves intended for use with double-back, fold back, returned loops, or turn back eyes formed by laying the wire rope back on itself to form a loop. Single refers to swage sleeves intended for use with rolled, Farmers, or Flemish eyes formed by unlaying the strands of wire rope, crossing the strands and relaying the strands around themselves to form a loop. Ferrules are fittings used to form a holding point on a piece of wire rope. Ferrules are also called stops, buttons, knobs or end fittings. Ferrules are designed to fit one part of wire rope and may be applied with zinc, with wedges, or by swaging.
Sockets are a loop, clevis, or pin eye terminal attached at the end of a piece of wire rope.
Sockets are designed to fit one part of wire rope and may be applied with socketing media, wedges, or by swaging. All ratings refer to short tons of 2000 pounds unless otherwise noted. Working Load Limit is the maximum mass or force a new or as new product is authorized to support in service when the pull is uniformly applied in line with the centerline of the product. Proof Load is usually twice the working load limit. Ultimate Load is the average load or force at which the product fails and no longer supports the load.