Set containing 3 screwdrivers and 24 bits. Features variable torque settings for precise tightening, and multi-component, ergonomic Kraftform handles, with hard and soft zones for high working speeds. Simple torque adjustment, easy-to-read scale and audible release mechanism to prevent over-tightening once set torque value has been reached. Supplied with Rapidaptor quick-release chuck and robust case. Chrome Molybdenum Steel Blades Ergonomic Handle 0.3-6Nm Range Ball Bearing Locking Mechanism Suitable for Bits with 1/4" Hexagon Drive Precise to ±6% Unlimited Torque to Loosen Seized Screws Chrome Molybdenum Steel Blades Ergonomic Handle 0.3-6Nm Range Ball Bearing Locking Mechanism Suitable for Bits with 1/4" Hexagon Drive Precise to ±6% Unlimited Torque to Loosen Seized Screws