Features 12 Point Socket Design: Ensures a secure grip on fasteners, preventing rounding and providing high torsion for efficient driving. Extended Fastener Life: Rounded corners design and deep broach accommodate longer fasteners, extending their lifespan. Stepped Outer Diameter: Facilitates proper clearance and access to fasteners, enhancing usability and convenience. Premium Material: Crafted from chrome vanadium steel for professional-grade reliability and durability, ensuring long-lasting performance. OE Specification Compatibility: Specifically designed for tightening rocker nuts to OE specifications, providing ease of use and precision. Features: 1. 12 POINT SOCKET: Designed to drive the sides of the fastener instead of the corners, because of the high torsion, the 12 point socket design grabs the flat sides of the fastener, preventing rounding​​​ 2. LONG LIFE: With rounded corners design, to extend the life of fasteners, deep broach can accommodate longer fasteners 3. PROPER CLEARANCE: This drive deep socket with stepped outer diameter to ensure proper clearance and access to fasteners 4. CHROME VANADIUM STEEL: Manufactured and engineered from premium chrome vanadium steel for professional grade reliability and durability 5. MAIN FEATURES: This drive deep 12mm socket is mainly suitable for tighten rocker nuts to OE specifications, and easy to use Specification: Item Type: Drive Deep Socket Model: J-44706 Material: Chrome Vanadium Steel Drive Size: 1/2in Suitable for Detroit Diesel 60 series engines rocker shaft Package List: 1 x Drive Deep Socket Package List 1 x Drive Deep Socket