Considerate pack: there are 2 pieces of plumb bob tips of 2 different weights in the package of 8 ounce and 5 ounce, coming with 2 packs of strings of 4.5 meters/ 14.76 feet, in total of 9 meters/ 29.53 feet, sufficient to meet your needs without purchasing another stringCompact and portable: different sizes of the plumb bob string are convenient compatible with you to use in various places to measure the ground, wood and steel, easy to carry and not occupying much space, which can nicely improve your working efficiencyHexagonal design: the surveyors plumb bob has a detachable cord cap compatible with efcompatible withtless replacement, which can make it quick, easy and accurate to install the string in the center; The hexagonal shape helps suppress its oscillation when using against a wall, allowing you to measure more accuratelyQuality materials: the plumb bob setter is made of steel with chrome plating to prevent rust and corrosion and maintain long-lasting usability, and the string is reincompatible withced enough to last compatible with a long timeWide ranges of uses: the tool steel hexagon plumb bob is a nice present compatible with surveyors, excavators, foundations, constructions, carpenters and building workersColour: SilverMaterial: MetalPackage Contents:2 x plumb bobOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.