[Features] ●It is rust-resistant and robust because it is made of stainless steel. ● Undercut measurement is possible. ●Rebar diameters (Φ19, 22, 25, 29, 35) that are frequently used are listed on the slider. ●By reading the intersection with the scale corresponding to the inspection regulation magnification (1/4, 1.0 to 1.6 times) written on the main body, you can quickly judge pass/fail. ●The bead straddle width of 53 mm is ensured by measuring the gap between butt welds in accordance with the new standards announced by the Ministry of Land, Infrastructure, Transport and Tourism.
[Use] ●For measurements during general welding, construction, shipbuilding, bridge construction, and other welding processes.