Compare Maximum number of 4 items selected GearWrench 1/2 Inch Drive Extension Bar - 81347 Part #: 81347 Line: KDT GearWrench 1/2 Inch Drive Extension Bar Limited Lifetime Warranty Locking: No Magnetic: No Material: Alloy Steel Quantity: 1 Overall Length (in): 15 Inch Drive Size (in): 1/2 Inch Knurled: Yes ASME Specification: Yes Wobble: Yes Impact: No Show More Show Less