Metric vs SAE Sockets Explained (2026): Sizes, Fit, and Safety
Metric vs SAE sockets explained in one line: SAE sockets are sized in fractional inches (3/8, 1/2, 9/16) and metric sockets are sized in millimeters (10mm, 13mm, 19mm). The two systems measure the same thing in different units, so a socket in one can sit near a fastener built for the other, but they are … Read more