3/8"-16 High-Carbon Steel Hex agon Die 1" DiameterIdeal for maintenance and repair work. Recommended for cutting external threads by hand. In areas with limited space, the dies can be used with a wrench or socket. Advanced die geometry provides faster cutting and longer life. Die size is etched on each tool for easy identification. Applicable Materials: Most Metals; Cutting Direction: Right; Material: High Carbon Steel; Outside Diam: 1 in; Packing Type: Bulk; Thread Size: 3/8 in; Thread Standard: NC; Threads Per Inch: 16; Tool Shape: Hexagon; Weight: 0.06 lb.