6 Pc 3/8" Drive Extra Long Metric Socket Hex Bit Set - Stanley Proto Industrial Tools

The Stanley Proto J4990-SMXL 6-Piece 3/8" Drive Extra Long Metric Socket Hex Bit Set is engineered for professional technicians requiring extended access to deeply recessed metric hex fasteners. This set provides the necessary reach and robust construction for challenging automotive and industrial service applications, ensuring efficient and reliable engagement in confined spaces.

Key Features

• Extended Reach Design: Each socket is specifically lengthened to access obstructed fasteners in difficult locations, such as intake manifolds, brake calipers, and various equipment housings, significantly improving efficiency for complex jobs.
• Precision-Machined Hex Bits: Featuring a durable one-piece construction, these sockets incorporate precisely machined metric hex tips. This design ensures secure fastener engagement, efficient torque transfer, and minimizes cam-out, protecting both the fastener and the tool.
• Professional-Grade Durability: Crafted from high-strength alloy steel and finished with polished chrome plating, these sockets offer superior corrosion resistance and lasting durability, standing up to rigorous daily use in demanding shop and field applications.
• 3/8" Drive Compatibility: Designed for seamless integration with standard 3/8" drive ratchets, torque wrenches, and extensions, this set enhances versatility within existing professional toolkits.
• Comprehensive Metric Sizing: Includes essential metric hex sizes (4, 5, 6, 7, 8, and 10 mm) crucial for servicing a wide array of passenger vehicles, light-duty trucks, heavy equipment, and industrial machinery.

Applications

This socket set is well-suited for servicing intake manifolds, brake components, suspension hardware, transmission housings, and engine accessories on both domestic and import vehicles. It is equally effective in industrial maintenance, plant repair, equipment assembly and disassembly, and machinery service where hex fasteners are recessed behind guards, covers, or frame members, offering a practical solution for automotive technicians, fleet maintenance, and industrial service crews.

Specifications

• Manufacturer: Stanley Proto Industrial Tools
• Model Number: J4990-SMXL
• Drive Size: 3/8"
• Type: Extra long metric hex bit socket set
• Sizes: 4, 5, 6, 7, 8, 10 mm
• Number of Pieces: 6
• Approximate Weight: 1 lb