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 KIT INCLUDES THE FOLLOWING TOOLS:ARMORER'S MASTER WRENCHREPLACEMENT HAMMERHEADSPIVOT PIN TOOLAR15 MASTER BENCH BLOCKFRONT SIGHT ADJUSTER TOOLSMART FIT AR15 LOWER VISE BLOCKBORE ILLUMINATOR / SAFETY FLAGPIVOT LOCKTORQUE WRENCHACCU-GRIP PICKSPIN PUNCH SETPIN ALIGNMENT TOOLEASY-GRIP HANDGUARD TOOLLUG-LOK UPPER VISE BLOCKPROFESSIONAL TOOL CASEProducts not manufactured by CMMG are not covered by our Lifetime Quality Guarantee and would be covered under the original manufacturer's warranty.