The high quality model 177A solid steel 2-3/4 oz. plumb bob is used to achieve precise accuracy in all layout work, construction and surveying. Solid steel & slim construction provides a low center of gravity & great weight in proportion to their short length & small diameter. It's thin profile enables the point to be seen when looking from above. Hardened & ground removable steel point. Made in USA.
Product Title Weight Overall Size Length of Cord Model # Starret 2 - 3/4 oz Steel Plumb Bob 2 - 3/4 oz 5" Long x 1/2" Diameter 8' Long177A