150 pc. Gunmetal Chrome Mechanics Tool Set is made for the auto-enthusiast, semi-pro, or do-it-yourselfer. This set comes with the new industry-leading, 120-Tooth ratchet that provides maximum accessibility in tight spots. With its slim head and 3° arc swing, you can get into narrow spaces with ease and quickly tighten or loosen a fastener. Take on your next project with our Gunmetal Chrome 150 pc. mechanics tool set.