The Ultimate Joinery Tool for the Woodworking Enthusiast! Drill guide block is now interchangeable between the benchtop and portable bases. The flexibility of two tools in one! Benchtop base features patent pending front clamping design. Puts the clamp handle on the same side of the workpiece you work on! All the thickness flexibility you need… 1/8” incremental settings for materials from 1/2” to 1-1/2” thick. Patented three drill guide fixed spacing puts pocket holes exactly where you need them for narrow, wide, and widest stock. Dust collection shroud means no more wood chips on your workbench and extended drill bit life. Material support stop lets you consistently repeat hole spacings. The Kreg Jig K3 Master System contains: (1) K3 Drill Guide Block, Benchtop Base, Portable Base, Dust Collection Shroud, Material Support Stop, Premium Face Clamp, 3/8” Step Drill Bit (KJD), 6” - #2 Driver Bit, 3” - #2 Driver Bit, Depth Collar, 1/8” Allen Wrench, SPS-C1 screws, SML-F125 screws, SML-C125 screws, SML-C150 screws, SML-C2 screws, SML-C250W screws. Carrying Case and Detailed Instruction Manual.