Series 7400 Kraftform adjustable torque screwdrivers (2.5-29.0 in. lbs.) with Rapidaptor quick-release chuck Application: Design: Accuracy: Handle: Code Suitable for 1/4" DIN 3126-C 6.3 and E 6.3 (ISO 1173) hexagon insert bits and Wera Series 1 and 4 Rapidaptor rapid-in, rapid-out, rapid-spin, chuck-all and single-hand technology 6 % (EN ISO 6789). Numerical torque value scale. Audible excess-load signal Kraftform with non-roll feature, multi-component Art.No. in. lbs. in. lbs. mm 05074710001 7445 1/4" 2.5-11.5 0.5 155 6" 1 05074711001 7446 1/4" 11.0-29.0 1.0 155 6" 1