Plumb SetterProduct Details1.Braided nylon line extends and holds at length up to 5m, retracts into case automatically.2.Measuring Range: Convertible 60mm / 50mm; Plumb Weight: 400g (Allow for +/-10% error)3.Effective Line Length: 5.6m/18ft; Line Loaded Capacity: 0.1-1kg4.Featured with a quick stabilizing cap that reduces wobble and spin. Comes with protective rubber tip that protect you.5.The hook needle pin make it can be fixed on wood, brick and other low hardness surface. Magnetic edges with strong suction enable it can be fixed on metal, steel frames. You can remove it by pressing the button.