Sealey T-Bar & Rubber Insert Spark Plug Socket Set 4pc 3/8″Sq Drive 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*.Specification: Model No AK6550 Brand: Sealey Contents: Spark Plug Socket; 14, 16, 21mm Nett Weight: 0.57kg Product Guarantee: Lifetime GuaranteeCatalogue Page: Page 496