Series 7400 Kraftform adjustable torque screwdrivers (2.5-29.0 in. lbs.) with Rapidaptor quick-release chuck, 7445 x 2.5-11.5 in. lbs.Wera torque screwdriver. Variable torque setting option with highest precision. Simple adjustment of the required torque value without any special tools. Easy-to-read scale value. Rapidaptor quick-release technology for r