Sealey T-Bar & Rubber Insert Spark Plug Socket Set 3/8"Sq Drive 4pc Features: Comfort grip T-handle 3/8"Sq drive. Features 2-in-1 wobble and rigid bar. Simply push the socket further onto the bar to fasten in the rigid position. Includes 14mm Bi-hex, 16 and 21mm 6-point Chrome Vanadium spark plug sockets with rubber inserts. Technical Details: • Comfort grip T-handle 3/8"Sq drive. • Features 2-in-1 wobble and rigid bar. • Simply push the socket further onto the bar to fasten in the rigid position. • Includes 14mm Bi-hex, 16 and 21mm 6-point Chrome Vanadium spark plug sockets with rubber inserts. • Lifetime guarantee*. • Model No. AK6550 • Model No. AK6550 Additional Information: • Comfort grip T-handle 3/8"Sq drive. Features 2-in-1 wobble and rigid bar. • Simply push the socket further onto the bar to fasten in the rigid position. • Includes 14mm Bi-hex, 16 and 21mm 6-point Chrome Vanadium spark plug sockets with rubber inserts. • Lifetime guarantee*.