The Laser Tools 1645 is a precision-engineered 20mm socket with a 3/8" drive. Often required for specific engine mounts and pulley bolts on European imports, this socket ensures you aren't forced to use an ill-fitting 19mm or 21mm alternative. Made from polished Chrome Vanadium, it is easy to maintain and built to withstand high-torque hand-tool use. To help identify the specific fastener size before starting, consider using our Digital Multimeter/Temp Tester to check for heat expansion on tight bolts.
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