Drive head is compatible with any quarter inch socket and allows you to use on multiple repair jobs such as: electronic, firearm adjustments, and instrument assembly. Easy to read meter window allows you to quickly see your torque setting and displays 10-50 inch/pound torque and can be adjusted in 5 pound increments. Feature: Drive head is compatible with any quarter inch socket and allows you to use on multiple repair jobs such as: electronic, firearm adjustments, and instrument assembly Screwdriver torques only to set level, avoiding damage to threaded fasteners Grip handle with ergonomic design helps reduce hand fatigue and designed for continuous use without resetting Drive head is compatible with any 1/4-inch socket, allowing varied uses such as electronic repair, firearm accurizing, and instrument assembly Special torque limiting feature torques to the set level and helps you avoid any further damage to your threaded fasteners. Meter window displays a 10-50 inch-pound torque range, adjustable in 5 inch-pound increments Includes heavy duty blow molded case for protection when not in use. Great for transport to multiple job sites. Set comes with 20 types of bits with an included bit holder. Each individual bits is engraved with the proper sizes for easy identification. Specifications: Type: Torque Screwdriver Driver Head: 1/4" Meter Display: 10-50 inch-pound Philips: 2x PH0, 2 x PH1, 2 x PH2, 2 x PH3 Slotted: 4, 6mm Torx: T10, T15, T20, T25, T30, T40 Hex: 3, 4, 5, 6mm Carrying Case Included: Yes Package Contents: Torque Driver Bit Set Carrying Case