The Model HH-57 is a 2-in. class underground piercing tool for the gas, water and sewer, electrical and telecommunications markets.
- Special high-strength alloy steel striker is the only moving part
- Striker shape permits operation when the tool body is deflected by buried obstacles
- "Quarter-Turn Reverse" provides easy, reliable directional (forward and reverse) selection
- Tapered Buttress thread joints maximize the strength of the body, end-cap and tail connections