Starrett 177A STEEL PLUMB BOB The 177A steel 2-3/4 oz. plumb bob is designed for achieving accuracy in all layout work, construction and surveying. Its solid steel construction provides a low center of gravity and great weight in proportion to its short length and small diameter. Features Each bob is furnished with a strong, braided 8' nylon line that can be conveniently wound around a recess at the top of the bob Hardened and ground removable point for greater accuracy, longer life Hexagonal shaped head prevents rolling Easily replaced if worn or broken Sure grip knurling on polished steel body for easy handling Specifications Type: Surveying Plumb Bob Material: Steel Weight (oz): 2-3/4oz. Weight (g): 78g Contact us For more information about the Starrett 177A STEEL PLUMB BOB or any of our products, contact the experts at TestEquipmentUSA.