MOTION PRO Spark Plug Socket - Pro - 21 mm/13/16" 08-0653

Spark Plug Socket - Pro - 21 mm/13/16"
Use with a 3/8" square drive or 17 mm wrench, Innovative internal plug retention system, Easy to read laser etched markings, Ultra-strong tool steel construction, Protective black oxide coating, Slim skeleton profile, Lightweight, Lifetime limited warranty