Socket Sets

Pick metric if you work on most modern cars and imported equipment; pick SAE for many older U.S. vehicles and imperial fasteners. Many sets include both systems or offer adapters; having the system that matches your fasteners avoids rounding and improves fit

Look for sockets made from chrome vanadium or chrome molybdenum steel, clear size markings, a 72-tooth or higher ratchet for finer swing arc, and a positive locking mechanism or detent for socket retention. Hardened, precisely machined sockets reduce rounding and increase lifespan

Socket sets range widely; budget options are commonly under $50 while mid-range and professional sets often fall between (price varies) and a few hundred dollars, with an average price around $70. Higher cost typically reflects material grade, range of sizes, and included accessories

A starter set should include a 3/8" drive ratchet, common metric and SAE sockets (8–19 mm and 5/16"–3/4" ranges), a few extensions (2"–6"), and a universal joint or swivel. Pick deep sockets if you frequently work with longer bolts or recessed fasteners

Keep sockets clean and dry, wipe off grease and moisture after use, store in the provided case or a foam organizer to prevent corrosion and loss, and avoid using sockets as hammers or on impact tools unless rated for impact use. Periodically apply light oil if you work in humid environments

Use impact-rated (usually black, made from chrome molybdenum) sockets whenever using an impact wrench or high-torque pneumatic tool, because standard chrome-plated sockets can shatter under impact stresses and are not safe for such use