This professional-grade Crescent mechanic's tool set features durable Crestoloy alloy steel tools designed for industrial and mechanical applications. The comprehensive 128-piece assortment is housed in a heavy-duty blow-molded case with steel hinges to keep your tools organized and secure. Every tool meets stringent ANSI and ASME specifications, ensuring reliable performance and long-lasting durability.

• Comprehensive 128-piece assortment includes 1/4 in. and 3/8 in. drive tools with both SAE and metric components.
• Constructed from high-strength Crestoloy alloy steel for maximum durability and resistance to wear.
• Includes specialized tools like long-beam ratchets with small teardrop heads and narrow-head wrenches for superior access.
• Heavy-duty blow-molded carrying case features steel hinges and latches for secure, organized storage.
• Features an innovative hex key caddy for quick and easy access to required sizes.
• Upgraded set includes Torx bit sockets, tamper-proof Torx driver bits, and UV/solvent-resistant acetate screwdrivers.
• All tools meet or exceed ANSI and ASME specifications for professional reliability.
• Comes with a full satisfaction guarantee from a brand trusted by trades since 1907.