Laser - 3683 - Magnetic Spark Plug Socket 3/8"D 21mm

An extra long, thin walled 21mm spark plug socket with magnetic end for reliable spark plug removal and installation. The 250mm tool length is designed to reach deep plugs without the need for an extension bar and the slim diameter is ideal for accessing modern engines with limited plug clearance. This professional quality tool has a standard 3/8 square drive and a knurled end for finger grip tightening."