Includes medium tap adapter and sliding T for adapters Fits tap ranges from 1/4-1/2 (6-12mm), shanks .219 to .280 KDT3883 Features: -Fits tap ranges from 3/8-Inch to 1/2-Inch (10mm to 12mm).-Gear Wrench Medium Tap Adapter. Includes: -Includes medium tap adapter and sliding -Inch-Inch for adapters. Warranty: -Lifetime w