The BTD-G6 kit combines the BTK-E5 core set with a select military-grade BTD driver. Each unit is subjected to 2,000 additional durability-test cycles and enhanced quality control. The kit also includes a second set of BTK-ST screwdriver bits for extended service life. Key Components: Adjustable Torque Driver (Military Grade), Calibration accuracy: 4%. Compact Ratchet Handle 1/4" hex (F) 1/4" square drive (M). Adapters: 1/4" hex (F) to 1/4" square drive (F), 1/4" hex (M) to 1/4" square drive (M). S2 Tool Steel Screwdriver Bits (Total 58 Two of Each Size): Hex (Inch): 3/32, 7/64, 1/8, 9/64, 5/32, 3/16. Hex (Metric): 2, 2.5, 3, 4, 5, 6. Slotted: 1/8, 5/32, 3/16, 7/32, 1/4, 5/16. Torx: T-10, T-15, T-20, T-25, T-27, T-30. Phillips: #1, #2. Spare Torx: T-10, T-15, T-20 (stored in Special Bits SPB#1SPB#3). 1/2" Hex Socket with 1/4" square drive (F). 2" Extension 1/4" square drive (M & F). Cordura Nylon Pouch 7" 5" 1.2". Emergency Cleaning Rod (ECR). Instructions with quick-start info and links to video guides. Highlights: Military-grade BTD with extra durability testing, 2x Complete bit set plus spare Torx bits, Rugged Modular Pouch, BTD1070-IP Made in America, adjustable torque driver. Approx. Weight: 2 lbs. 3 oz. Ideal for: Gunsmithing and Firearm Assembly, Optics Mounting and Torque-critical Applications, Field Repairs and Tactical Setups, Precision Shooters and Military/LE Armorers