For other uses, see Marlinspike (disambiguation)}}}. Marlinspike (sometimes marlin spike,
marlinespike, or the archaic marlingspike) is a tool used in
ropework for tasks such as
rope for
splicing, untying
knots, or forming a makeshift
handle. A marlinspike is basically a polished cone tapered to a rounded point, usually 6 to 12
inches long, although sometimes 26" or longer, depending on what ply and size of rope they are intended for. The marlinspike is a tool made from metal, usually iron or steel, differentiating it from the
fid which is similar in shape and function but made from wood or bone. The marlinspike may be a separate tool or one item on a
pocket knife.
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