Built for demanding jobs and harsh environments, the DWMT45417 is a comprehensive mechanics tool set designed to deliver strength, precision, and durability. Featuring DEWALT’s TOUGHSERIES™ engineering, this set includes ratchets, sockets, wrenches, and accessories that meet or exceed ANSI/ASME standards.Features 144-tooth ratchets with dual pawl mechanism for a 2.5° arc swing PowerJaw™ technology delivers up to 30% more torque on rounded fasteners Chrome vanadium steel construction for professional-grade durability Full-polish chrome finish resists corrosion and provides easy cleaning Quick-release ratchets allow convenient one-handed operation High-visibility stamped size markings for fast identification Wrenches feature 15° offset and long panel forging for better access and torque Organized in a durable, portable case for easy transport and storage Meets or exceeds ANSI/ASME specifications Backed by DEWALT’s full lifetime warranty Specifications Drive Sizes: 1/4 in, 3/8 in, 1/2 in Total Pieces: 242 Material: Chrome vanadium steel Finish: Full-polish chrome Ratchet Tooth Count: 144 Arc Swing: 2.5 degrees Warranty: Full lifetime warranty What's Included (3) Ratchets – 1/4 in, 3/8 in, 1/2 in (106) Standard & Deep Sockets – SAE & Metric (17) Bit Sockets – Hex & Torx (10) Combination Wrenches – SAE & Metric (3) Spark Plug Sockets (3) Adapters (9) Extension Bars (3) Universal Joints (28) Hex Keys (44) Screwdriver Bits (1) Bit Driver (15) Nut Bits (1) Heavy-duty storage case This set is ideal for mechanics, technicians, and serious DIYers who need a reliable, high-performance toolkit for a wide range of fastening applications.