Wire Straightness Checking Gauges assure straightness of cut wires to highest precision. Tun-Car India Ltd. Manufactures Wire Straightness Checking Gauges. Tun-Car India Ltd. Also manufactures Grooved Rollers, T.C Wear Parts, T. C. Knurled Rings. Wire Straightness Checking Gauges are made of wear resistant carbide inserts with steel covering for strength sand ease for use. They are machined to precalculated precise size and closely controlled tolerance to ensure that wire, which passes through the gauge, is straight according to the international standards. The gauges are provided with caliberation rods [GO & NOGO] to ensure fitness throughout its use.