This kit of Master Grade Tools and how-to information equips you to confidently tackle everything from building your own gun from the ground up to customizing or modifying an existing gun. With better tolerances, materials and expanded capability, every tool is carefully designed to make each job as simple and easy to execute as possible. Housed in a professional tool case and equipped with step-by-step instructions, you will be able to work smarter and create better guns regardless of your experience level. Armorer's Master Wrench with Replacement Hammer Heads Lug-Lok Upper Vise Block, Smart-Fit AR15 Lower Vise Block, and AR15 Master Bench Block Torque Wrench Easy-Grip Handguard Tool AR15 Pivot Pin Tool, AR15 Pivot Lock, Pin Alignment Tool AR15 Pin Punch Set, Accu-Grip Picks Bore Illuminator/Safety Flag Front Sight Adjuster Tool Professional Tool Case