Fuller Quick Change Countersink Set #11 The #11 set contains everything you need to pre-drill and plug for screw sizes #6, 8, 10, 12, and 14 - all with 1/4" Quick Change hex shanks. Set has five Quick Change Taper Point drills with matching countersinks, 3/8" and 1/2" Stop Collars, 3/8" and 1/2" Quick Change Plug Cutters, Quick Change Chuck Adapter, and 2 Hex Keys all in a mahogany case. This is your countersink set for your average to larger screw sizes and set up with the Quick-Change Hex shank system.
Like all Fuller tools this countersink set is made up of top notch cutting tools. This set has the most commonly used sizes of drills packed in a nice hardwood case.