The impact screwdriver 921 combines the advantages of manual impact wrenches, compact tools and screwdrivers with pound-thru blade. The impact wrench function offers a loosening moment of up to 25 Nm. The robust bit holder allows the mounting of different specialised bits for various screw profiles. The pound-thru blade ensures complete power transmission (zero loss). The impact wrench function and screwdriver function can be switched as required.Features and Benefits• Compact and robust interchangeable blade screwdriver set with manually activatable impact wrench function• For loosening stubborn screw connections• Hammer blow impulse is converted into a rotary movement with a loosening torque of approx. 25 Nm - without loss via a pound-thru blade• Reversible functions: impact wrench and screwdriver• Specially hardened and extra tough bits with 1/4" external hexagon driveContents1x Kraftform Kompakt 900 Imperial Set 1, 19 pieces; 1x 921 Kraftform Plus impact screwdriver - series 900: 1/4"x163.5; 3x 851 S Phillips bits for impact screwdrivers: PH 1x70, PH 2x70, PH 3x70; 5x 867 S TORX® bits for impact screwdrivers: TX 15x70, TX 20x70, TX 25x70, TX 30x70, TX 40x70; 4x 840 S Hex-Plus bits for impact screwdrivers: 1/8"x70, 5/32"x70, 3/16"x70, 1/4"x70; 3x 868 S Square head socket bits for impact screwdrivers: # 1x70, # 2x70, # 3x70; 3x 800 S Slotted bits for impact screwdrivers: 0.8x4.0x70, 1.0x5.5x70, 1.2x6.5x70; 1x Hook and Loop Fastener Strip 120: 50.0x120.0