The Pocket-Hole XL Drill Bit is a replacement bit for the Kreg® Pocket-Hole Jig XL. The Kreg XL Drill Bit features our easy-set design with etched material-thickness markings on the bit and a sight-window stop collar. For use with the Kreg Pocket-Hole Jig XL to create XL pocket holes in 2x4 (1-1/2" thick) and 4x4 (3-1/2"-thick) materials. Made of high-speed steel with a 1/4" hex shank for use in quick-change chucks.Features: For use with the Kreg Pocket-Hole Jig XL Easy-set etched markings Sight-window stop collar Hex shank works with standard and quick-change chucks Works as replacement for Kreg Jig HD Specifications: Capacity: Works with 1-1/2" and 3-1/2" boards Dimensions: Drill bit: 1/2" Diameter x 7-7/8" Length What's Included: (1) Easy set XL Pocket-Hold Drill Bit (1) Easy set Stop Collar (1) Hex Wrench