Compare Maximum number of 4 items selected OEMTOOLS Drill Attachment - 25230 Part #: 25230 Line: GRT OEMTOOLS Drill Attachment Limited Lifetime Warranty Length (in): 9-1/8 Inch Length (mm): 231mm Case Included: No Shank Size (in): 7-1/8 Inch Gauge (ga): 1 Gauge Number Of Pieces: 1 Bit Diameter (in): 1/4 Inch Bit Diameter (mm): 6.35mm For Use On Material Type: Various Show More Show Less