16mm and 21mm 3/8" Drive Spark Plug Socket Remover Installer Tool 6 Sided

Professional tool for commercial or occasional use

3/8" drive 16mm and 21mm spark plug socket

3/8" drive so will fit any 3/8" drive ratchets / power bars / extensions

16mm and 21mm spark plug set

Spark plug socket suitable for most modern vehicles

Manufactured from chrome vanadium steel for strength and durability

Total length of the socket 16mm - 72mm / 21mm - 65mm (external dimensions)

Internal dimensions - 35mm

Rubber insert to prevent damage to the spark plug

6-sided single hex sockets

Magnetic grip for spark plug retention

Knurled grip around the socket to prevent slipping in oily slippy conditions

Thin walled socket