Pocket Hole Jig Kit, 12.7 to 38.1 mm Adjustable, Jig Pocket Hole System with Toolcase, C-Clamp, Step Drill, Hex Wrench, Drill Stop Ring, Square Drive Bit, Reinforced Metal Frame, for WoodworkingProduct Features Built to Last Our pocket hole jig kit features a CNC aluminum body, stainless steel extension rods, and a titanium coated step drillwear & rust resistant, maintaining stable performance even under frequent use to reduce tool replacement costs User Friendly Adjust drilling depth by sliding the marked block up and downno complex measurements or math needed. Our jig pocket hole system is ideal for beginners, hobbyists, and professionals