The Triumph Twist Drill Co. Wire Gauge Drill Bit is a precision drilling tool featuring 46J wire gauge sizing with a .0810 inch diameter and jobber length design for versatile applications.Triumph Twist Drill Co. Wire Gauge Drill Bit46J wire gauge specification.0810 inches (0.0810") precise diameterJobber length for standard drilling depthProfessional-grade construction for accurate holesIdeal for precision drilling applications in metal wood and plastic materials where exact hole sizing is critical for professional and industrial use.