Compare Maximum number of 4 items selected Power Torque 3/8 To 1/4 Inch Drive Adapter - GM8163 Part #: GM8163 Line: PTT Power Torque 3/8 To 1/4 Inch Drive Adapter Limited Lifetime Warranty Drive Size (in): 3/8 To 1/4 Inch SAE Or Metric: SAE, Metric Locking: No Magnetic: No Material: Chromium-Vanadium Steel Quantity: 1 Knurled: No Wobble: No Impact: No Show More Show Less