This professional-grade 148-piece mechanic's tool set is engineered with durable Crestoloy® alloy steel for maximum strength and rust resistance. Featuring a comprehensive assortment of SAE and Metric tools, it includes ratchets, sockets, wrenches, and screwdrivers all organized in a heavy-duty blow-molded case. Designed to meet stringent ANSI and ASME specifications, this set provides reliable performance for industrial, mechanical, and consumer applications.

• Comprehensive 148-piece assortment featuring 1/4 in., 3/8 in., and 1/2 in. drive tools with both SAE and Metric components.
• Constructed from Crestoloy® alloy steel for superior strength, durability, and resistance to rust and wear.
• Meets stringent ANSI and ASME specifications and is backed by a manufacturer's limited lifetime warranty.
• Includes specialized Torx® bit sockets and Tamper-Proof Torx® driver bits for versatile applications.
• Features long-beam ratchets with small teardrop heads and long wrenches with narrow heads for improved access.
• Acetate screwdrivers and magnetic bit drivers offer enhanced resistance to impact, UV, and solvents.
• Organized in a heavy-duty blow-molded case with steel hinges, secure latches, and an innovative hex key caddy.
• Includes pliers, adjustable wrenches, hex keys, and a wide variety of bits to tackle diverse mechanical projects.