The universal spline drive fitted on each piece is compatible with 12-point, 6-point, rounded 6-point, Spline, E-Torx and Square fasteners. Great for working in tight spaces. 3/8" x 7/16" (13" Long).

Brand: VCT
Type: Box Wrench
System of Measurement: SAE
Number of Pieces: 5
Size: 1/4 through 13/16
Set or Single Item: Set
Drive Type: 12 Point