SAE 7 piece socket wrench set, 1 inch hollow shank socket wrench set includes 3/16" 1/4" 5/16" 11/32" 3/8" 7/16" 1/2" spanners for precise tightening of hex nuts.

The set includes: 7 commonly used SAE size socket screwdrivers (3/16", 1/4", 5/16", 11/32", 3/8", 7/16", 1/2"), covering the vast majority of maintenance and assembly scenarios. The laser engraved size markings on the tips are clear and wear-resistant, which allows for quick identification and avoids misuse. Hollow Design The shaft has a hollow core with a through hole about 1 inch deep, specially designed for long bolts and threaded rods. This allows for easy insertion on standard length rods, making it easier to attach or remove safely and significantly improve operational efficiency. Forged from high hardness chrome vanadium (CR-V) steel, heat treated for strength and finished with chrome plating for superior wear, rust and impact resistance. Precision-machined hex bit grips nuts firmly to prevent slipping or damage to rounded edges. Extended 3 inch shaft provides superior leverage torque, paired with a balanced counterweight design for effortless disassembly and installation of recalcitrant bolts. Ergonomic soft TPR rubber handle provides excellent elasticity, good slip resistance and good shock absorption to reduce fatigue during prolonged use. Includes a hanging hole on the back for convenient storage and hanging, or can be inserted into a screwdriver as an auxiliary lever: one tool, multiple uses.