To loosen and tighten screws without the use of power tools simply by the force of the impact. The Wera impact drivers have a particularly high efficiency thanks to their robust, double-curved design. Impact forces are converted into rotary motion. The use of compressed air equipment becomes unnecessary. The robust textile box offers a very compact storage option for these high quality tools. Features and Benefits2090 impact driver, 90 Nm with many accessoriesTo loosen and tighten screws without the use of power toolsImpact forces are converted into rotary motionThe double-curved design is particularly efficient5/16" hexagon socket take-up Contents 1x 2090/17 Impact driver set, 17 pieces; 1x 2090 Impact driver 90 Nm: 5/16"x142,0; 2x 851/2 Z bits: PH 2x32, PH 3x32; 1x 851/2 Z bits: PH 4x32; 1x 800/2 slotted bits: 2.0x12.0x41; 4x 840/2 Z Bits: 5x30, 6x30, 8x30, 10x30; 1x 840/2 hexagon Bits: 7.0x30; 5x 867/2 Z TORX® bits: TX 30x35, TX 40x35, TX 45x35, TX 50x35, TX 55x35;