Check the listing for details. Sounding Lead Weight - 3 Lbs. Condition: New. Listed at 34.95 USD. Traditional Pattern Sounding Lead100% Pure Lead - Made in U.S.A. 3 pound weightCan be used as a primary depth-finding device, or as a backup for electronics. Typically this would be attached to a light line which is measured off with tags, knots, or paint markings every fathom or so (known as a 'lead line'). PLAIN FINISH:We had these made at a local foundry. Each one is individually poured - no two leads are exactly alike. Plain finish will contain some grooves, casting marks, etc. Can be sanded and painted, or used "as is" since lead is non-ferrous and can't rust. Once it's been used, it develops a salty gray patina. SPECIFICATIONS:Traditional design pattern provides maximum stability in real world conditions at sea. Has flat sides that can't roll around when placed on deck or stowed down below Recessed bottom with grooves can be packed with tallow or grease for picking up bottom samples (sand, mud, pebbles, grass, etc.)Large, built-in cast eye for attaching leadline rope up to 3/8" diameter