Plumb Bobs Solid Brass PBB Polished solid brass plumb bob with replaceable, hardened steel points. Fea tures • Reliable accuracy and corrosion resistance • Easy, self-centering line assembly with screw cap design • Points easily replaced if worn or broken • Conforms to US Government specifications GGG-P-501e • 10' of nylon cord included Steel 177 Solid steel construction provides a low center of gravity and great weight in proportion to their short length and small diameter. Fea tures • 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 • Furnished with a strong, braided 8' nylon line that can be conveniently wound around a recess at the top of the bob Cat. No. EDP Weight oz grams PBB-8 36270 8 230 PBB-16 36271 16 450 Cat. No. EDP Weight oz grams 177A 50660 2-3/4 78 177B 50661 5 140 177C 50662 8-1/2 240 177D 50663 14-1/2 400 PBB-8 177A 83 P lumb B obs