WRIGHT 18MM DEEP SPARK PLUG SOCKETWRIGHT 18MM DEEP SPARK PLUG SOCKET 3588, 6-POINT, 3/8 DRIVE 2-1/2" Overall Length, 31/32" Head Diameter, 1-1/2" Broached Depth of 18mm Nominal Size. Wright's Spark Plug Holding Socket with 3/4" external hex at base of chromed socket. The patented 6-point Wright Drive is, in effect, a careful blending of Wright's 12-point design with the heavy duty gripping characteristics of a traditional 6-point wrench opening. Greater strength, more torque and reduced rounding of the fastener corners due to its improved gripping powers. USA made that meets or exceeds ASME B107.110 and with a lifetime warranty, why buy anything else! Wright Tool...Perfecting Performance!
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