The Smart-Torq & Driver Master Set is a comprehensive toolkit designed for advanced gunsmithing tasks and beyond. Featuring an adjustable torque wrench with a range from 10 to 70 inch-lbs and precise 1 inch-lb increments, it ensures accurate tightening for optics, gun stocks and accessories. The set also includes a lighted bit driver with a 360Adeg LED light for illuminating dark spaces, as well as a Force-Assist feature for easy screw tightening. Completing the set are 83 black oxide-coated gun bits, meticulously engineered for precise fitment and reduced slippage. Precision-engineered for gunsmithing tasks and more. Includes Smart-Torq and Smart Drive drivers for versatile use. Ergonomic grips ensure comfort during prolonged use. Force-Assist driver for additional control on high-torque applications. Easy-to-select torque increments ranging from 10 to 70 inch-lb. Illuminate dark spaces with the lighted bit driver's 360Adeg light. Use the Smart Drive for precision engineering and magnetic bit holding. Gun bits are hollow ground for perfect screw slot match and reduced slippage. 83 Standard & Metric Black Oxide Coated Gun Bits 3mm Group (7 bits), .5mm-1mm thickness 3.8mm Group (5 bits), .7mm-1mm thickness 4.7mm Group (4 bits), .6mm-.9mm thickness 5.4mm Group (6 bits), .4mm-1.2mm thickness 6mm Group (6 bits), .6mm-1.2mm thickness 7mm Group (7 bits), .6mm-1.5mm thickness 7.6mm Group (5 bits), .8mm-1.5mm thickness 8.6mm Group (6 bits), .7mm-1.6mm thickness 9mm Group (6 bits), .8mm-1.8mm thickness Torx (X2): T10, T15, T20, T25 Phillips: PH0, PH1, PH2, PH3 Metric Hex: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm Standard Hex: 1/16" (X2), 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 15/64", 1/4"