The OTC Tubular Spanner Wrench (1930) is a high-quality tool designed to simplify the process of servicing heavy-duty trucks.KEY FEATURES AND BENEFITS: Precision Engineering: Built to exacting standards for durability and reliability. Specific Fit: Designed for Chevrolet and GMC 11,000 to 13,500 lb. axles. Efficient Design: 2-7/8″ OD and 3/4″ drive for easy use with standard tools. Durable Construction: Made to withstand heavy-duty use and harsh conditions.SPECIFICATIONS: Outer Diameter: 2-7/8″ Drive Size: 3/4″ square drive Application: Chevrolet and GMC 11,000 to 13,500 lb. axlesHOW TO USE: Identify the Locknut: Locate the rear wheel bearing locknut on your vehicle. Attach the Socket: Secure the OTC 1930 socket to a 3/4″ square drive ratchet or breaker bar. Position the Socket: Align the socket’s lugs with the locknut’s slots. Apply Torque: Carefully apply torque to loosen or tighten the locknut.BENEFITS OF USING OTC TUBULAR SPANNER WRENCH (1930): Saves Time and Effort: Streamlines the repair process. Ensures Proper Fit: Precision-engineered for a secure fit. Reduces Risk of Damage: Protects the locknut and surrounding components. Improves Vehicle Performance: Contributes to optimal wheel bearing function.FEATURES: Six-lug, spanner-type design for accurate engagement Easy-to-use design for efficient operation Compatible with standard 3/4″ square drive tools