Channellock 225-Pc Professional Mechanic Tool Set – SAE & Metric, 1/4″, 3/8″, 1/2 Drive Sizes. Gear up your workshop with the Channellock 225-Piece Professional Mechanic Tool Set, designed for both DIY enthusiasts and professional technicians. This comprehensive set combines SAE and metric tools with essential ratcheting wrenches and drive tools in 1/4″, 3/8″, and 1/2 sizes – perfect for automotive, mechanical, and general repair jobs. Complete 225-Piece Set with a wide range of tools for versatile use. SAE & Metric sizes included for broad compatibility. Drive Sizes: 1/4″, 3/8″, and 1/2 for sockets and ratchets. Ratcheting Wrenches: Provides faster fastening and reduced hand fatigue. Durable Construction: Built for everyday workshop and professional use. Organized Storage: Includes case or tray (if applicable) for easy access and transport.