General Tools 790-12 12.5oz Hexagonal Steel Plumb BobOur Steel Plumb Bobs feature a hexagonal body of cold-drawn steel with nickel plating. Each item includes a 10ft braided cord and a removable cap for adjusting and replacing the cord. Available in three sizes.General Tools 790-12 12.5oz Hexagonal Steel Plumb Bob Features: 12oz Plumb Bob Hexagonal shape Includes 10ft of braided cord Great for masonry, carpentry and surveying Made of cold-drawn steel with nickel plating to prevent rust Removable cord cap for easy cord replacement. Made of hexagon cold drawn steel and nickel plated to prevent rust Removable cord cap for 3/32" braided cord Conforms to government specifications GGG-P501e Carded 790-5: 5 oz, 3/4" hex width, 3-3/8" length