Considerate pack: there are 2 pieces of plumb tips of 2 different weights in the package of 8 ounce and 5 ounce, 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 string Compact and portable: different sizes of the plumb string are convenient to use in places to measure the ground, wood and steel, easy to carry and not occupying much space, which can nicely improve your working efficiency Hexagonal design: the surveyors plumb has a detachable cord cap for effortless replacement, which can quick, easy and accurate to install in the center; The hexagonal shape helps suppress its oscillation when using against a wall, allowing you to measure more accurately Quality materials: the plumb setter is made of steel with chrome plating to prevent rust and corrosion and maintain long-lasting usability, and is reinforced enough to last for a long time Wide ranges of uses: the tool steel hexagon plumb is a nice present for surveyors, excavators, , constructions, and building workers Colour: Silver Material: Metal Package Contents: 2 x plumb Only the above package content, other products are not included. Note: Light 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.