Rethreading hexagon Die metric 6.3-Millimeter by 1.00 thread size 19/32-inch across flats, 1/4-inch thickness Carbon steel, right hand Quantity: 1 per pack

Alfa Tools hexagon Rethreading Dies - metric - high carbon steel, right hand thread. Ideal for repairing damaged threads without undercutting good threads. Versatile hexagon shape assures use with any open end, box or adjustable wrench.