The 177A steel 2.75 oz plumb bob is used to achieve precise accuracy in all layout work, construction and surveying. Solid steel construction provides a low center of gravity and great weight in proportion to their short length and small diameter.

Starrett® Plumb Bob, Series: 177, 2.75 oz, Solid Steel, Polished

• Starrett's best 2-3/4 oz steel 177A plumb bob is used to achieve precise accuracy in all layout work, construction and surveying
• Easily replaced if worn or broken
• Solid steel construction provides a low center of gravity and great weight in proportion to their short length and small diameter
• Each bob is furnished with a strong, braided 8 ft nylon line that can be conveniently wound around a recess at the top of the bob
• Hexagonal shaped head prevents rolling
• Hardened and ground removable point for greater accuracy, longer life
• Sure grip knurling on polished steel body for easy handling

• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Starrett_DTDG01_Catalog.pdf https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Starrett_DTDG01_Catalog.pdf