Wright Tool 3/8" Dr. Spark Plug Sockets, 3/8 in Drive, 18 mm, 6 Points

Patented Wright Drive distributes contact over a larger surface area for greater gripping power and strength. Forged and machined for best fit and unyielding strength. Precision heat-treated and tempered for optimal hardness, ductility and durability. Easy to read stamp pattern in order to quickly determine opening size. Meets and exceeds ASME B107 hand tool standards

Attributes:

Drive Size [Nom] = 3/8 in, Drive Type = Square, Finish = Chrome Plated, Head Width [Nom] = 31/32 in (opening side); 3/4 in (drive side), Locking Type = Ball, Material = Alloy Steel, Measuring System = Metric, No. of Points = 6, Opening Size [Nom] = 18 mm, Overall Length [Nom] = 2 1/2 in, Wt. = 1/4 lb. (1 EACH = 1 EACH)