Built for the toughest workshop jobs, the YATO Monoblock Sledge Hammer 1800 g / 4 lb (YT-45755) is a professional-grade blacksmith hammer designed for maximum durability, precise strikes, and long-lasting comfort. Its one-piece, drop-forged construction eliminates weak joints, making it an ideal choice for demanding tasks in metalworking, forging, heavy repairs, and site work.

Why it stands out
- Monolithic (one-piece) drop-forged steel body: Made from hardened CS45 (#45) carbon steel for outstanding strength and reliability.
- Rectangular head for controlled impact: The head shape supports accurate, repeatable strikes, especially useful for shaping, straightening, and heavy fitting work.
- Exceptional durability: Joint-free design delivers high resistance to mechanical damage and long service life.
- Ergonomic anti-slip handle: Two-component TPR/PP handle provides a secure grip and helps dampen vibrations, reducing fatigue during extended use.
- Polished & lacquered finish: Helps protect the surface while keeping the tool looking professional in hard-use environments.
Ideal for
Blacksmiths, locksmiths, metalworkers, craftsmen, mechanics, and DIY users who need a solid, heavy-duty hammer for high-impact applications.
Technical specifications
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Model / Index: YT-45755
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Weight: 1800 g (4 lb)
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Overall length: 375 mm
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Head length: 125 mm
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Head thickness: 45 mm
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Head material: Carbon steel #45 (CS45)
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Hardness: 45–58 HRC
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Handle material: TPR / PP
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Finish: Polished, lacquered
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Manufacturing process: Drop forged (die forged)