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C.S. Osborne's Caulking irons are used to drive cotton or oakum fibers into the seams of a wooden boat deck or hull to make it watertight.
- Drives caulking into seams
- Durable cast malleable iron construction
- Removes seams from wooden boat decks or hulls
- Sturdy hand grip for increased convenience during use
- Made in the U.S.A.