The Craftsman 63-Piece Standard and Metric Combination Chrome Mechanics Tool Set is a comprehensive collection of sockets and ratchets designed for automotive maintenance and repair. With both standard and metric sizes ranging from 4mm to 10mm, this set caters to a wide range of applications. The chrome surface finish not only adds durability but also a sleek look, while the 6-point drive type and 3/8 inch drive size ensure a secure grip on nuts and bolts. Made in Taiwan, this set includes all the essential tools needed for everyday automotive tasks.