VEVOR Extra Long Allen Hex Bit Socket Set, 18-Piece 3/8 inch Drive, S2 Alloy Steel and Cr-V Steel, Standard SAE and Metric 1/8-Inch-3/8-Inch, 3-12mm, with Enhanced Storage Case, for Mechanics

Rustproof & Durable: Constructed from high-hardness S2 alloy steel and CRV chrome-plated steel, the hex bit socket set surfaces feature sandblasting and mirror polishing. This design resists breakage and corrosion, ensuring years of reliable use. Metric & SAE Compatibility: This 18-piece extended hex socket set includes both metric and SAE sizes, covering a wide range of applications. The 3/8" metric socket bits include 3mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, and 10mm. The SAE socket bits include 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", and 3/8". Easy Insertion: The allen socket set features a chamfered edge design with rounded triangular contact points to expand the contact area, ensuring smooth insertion while minimizing fastener wear. Precision-fit dimensions allow for easy alignment and secure threading, making screw insertion or removal effortless. Drop-Resistant Case: Our hex head socket set comes with a durable black PE storage case with dedicated slots for each bit socket. The secure-fit design ensures the bit sockets stay firmly in place during drops, preventing scattering, loss, or damage. Extended 6-Inch Bits: Featuring 6-inch extended bits, this allen head socket set is designed to tackle tasks in tight spaces with precision. No matter how narrow the corner, our extended bit sockets ensure hassle-free repairs and installations without limitations.