Double Ratchet Hand Tool (DRHT) The DRHT is designed to install any rivet nut ranging in size from 6-32 to 3/8-24 (M4-M10). This tool is ideal for small production work and prototyping.
DRHT-I (Imperial Tool) Includes: 10-32, 1/4-20, 5/16-18, and 3/8-16 set ups DRHT-M (Metric Tool) Includes: M5, M6, M8, and M10 set ups