Each WSU wire wrapping tool wraps, unwraps and even strips the appropriate wire diameter with a unique built-in stripper blade. Ideal for bench use or tool kit in all service and repair applications. In addition to versatility, convenience, and reliability, the WSU Series offers exceptional value. This tool is recommended for .025" square terminals on .100" centers, Regular Wrap, Gauge 30 AWG, Terminal Hole Diameter 0.036 inches, Terminal Hole Depth 1.5 inches, Outside Diameter 0.125 inches, Square Post 0.025 inches. Unwrap side: Terminal Hole Depth, 1 inch, Outside Diameter 0.125 inches.