✅ 10" Roller Cone Hole Opener 10-in (25.4-cm) HOLE OPENER – Built to deliver precision engineered performance, this 10-in (25.4-cm) hole opener is designed to maximize production and cone life. Available in a multi-cone configuration with premium TCI cutters (IADC 637), it provides an effective solution for soft rock, fractured rock, cobble, and hard rock conditions. Configured with a 6.5-in (16.5-cm) stabilizer, this tool offers increased stability and control for medium diameter applications. These tools are rebuildable and designed to provide a reliable fit for your job requirements.