The General Tools 12 Oz. Brass Plumb Bob (800-12) is a precision tool designed to determine the vertical (or plumb) line from a suspension point to a ground point. Crafted from solid brass, this plumb bob is renowned for its durability and accuracy, making it a preferred choice among professionals in masonry, carpentry, and surveying.KEY FEATURES AND BENEFITS: Solid Brass Construction: Ensures longevity and resistance to wear and tear. Replaceable Hardened Steel Point: Maintains accuracy over time. Self-Centering Cap: Facilitates easy cord replacement. Includes Extra Cord and Replacement Point: Offers convenience and value. Conforms to U.S. Government Specification GGG-P-501e: Guarantees quality and reliability.SPECIFICATIONS: Weight: 12 ounces Dimensions: 5 inches long, 1-3/8 inches wide Cord length: 10 feet Material: Solid brass body, hardened steel point Includes: Plumb bob, 10-foot braided cord, extra cord, replacement pointHOW TO USE: Attach the provided cord to the plumb bob's self-centering cap. Suspend the plumb bob from a fixed point, ensuring the cord hangs freely. The point where the cord intersects the ground indicates the vertical line. For more accurate readings, use a chalk line or marker to mark the point.BENEFITS OF USING GENERAL TOOLS 12 OZ. BRASS PLUMB BOB (800-12): Achieve precise vertical alignment: For various tasks, improve efficiency and accuracy in your work. Build with confidence: Knowing you're using a trusted tool. Extend the life of your tool: With replaceable parts.FEATURES: Constructed from durable solid brass Features a replaceable hardened steel point for long-lasting accuracy Includes a self-centering cap for easy cord changes Comes with an extra cord and replacement point for added convenience Meets stringent U.S. government manufacturing specifications