Mammoth Tool Set Metric Tools Only - J.H. Williams

The J.H. Williams JHWMAMMOTHMM Mammoth Tool Set is an 811-piece, metric-only system designed for professional automotive and industrial environments. This comprehensive solution provides a full range of hand tools, specialty wrenches, and a robust mammoth ratchet socket and driver set within an organized, deployment-ready package. It offers a complete shop solution for facilities standardized on metric hardware.

Key Features

• Extensive Metric Coverage: This 811-piece system features a versatile mammoth ratchet socket and driver set spanning 1/4", 3/8", 1/2", and 3/4" drive sizes, designed to address both common and deep metric fasteners for light vehicle and heavy equipment applications.
• Comprehensive Tool Assortment: Includes a wide selection of metric combination, box, and specialty wrenches, alongside essential screwdrivers, pliers, hammers, punches, and chisels. This assortment supports maintenance and repair tasks on modern import and domestic vehicles, as well as industrial machinery.
• Integrated Storage & Mobility: Two top-chest/roll-cabinet combinations, a side cabinet, and a rolling three-drawer cart offer over 75,000 cubic inches of organized storage across 35 drawers. A dedicated rolling tool cart further enhances workflow by allowing technicians to stage frequently used tools at the vehicle or machine, reducing travel time and improving efficiency.
• Professional-Grade Durability: Manufactured with USA-made Williams quality, part of the Snap-on Industrial family, this set ensures robust construction for long-term shop use and is backed by a Limited Lifetime Warranty. Williams has been making tools for industrial professionals since 1882, known for their consistency and quality.

Applications

This tool set is engineered for metric-focused industrial maintenance, automotive repair (including late-model import and domestic vehicles with metric fasteners), and fleet service. It is suitable for technicians requiring a complete, metric-only tool and storage solution for full-system service on production lines, heavy-duty machinery, and fleet vehicles. It also serves manufacturing plants and facility MRO.

Specifications

• Piece count: 811
• Overall system dimensions: 47-1/2" L x 31-3/4" W x 27-1/4" H
• Weight: 577.19 lb
• Origin: Made in USA