Lightweight single layer construction and are positively driven by sprockets.
Constructed of cross rods and a flat metal strip and is positively driven by sprockets.
Constructed of cross rods linked together with S-hooks, side chains or special links.
Constructed of cross rods with chain links on both sides.
A balanced woven belt with left and right hand wound spirals, connected by crimped cross wires.
Made of thin round wires with an eyelet on both sides.