Special features:69 bits of silicon-molybdenum steel (S2) in professional qualityIn practical plastic folding box60 x 25 mm bits in all common sizes9 x 75 mm long bits for hard-to-reach placeswith 1/4" drive Contents: 2 different magnetic bit holders, one withquick-change drill chuck 75 mm bits: PH 1, 2, 3PZ 1, 2Slot 4, 6 mmTX 20, 25 25 mm bits: PH 1, 1, 1, 2, 2, 2, 3, 3, 3PZ 1, 1, 1, 2, 2, 2, 3, 3Slot 4, 4, 4, 6, 6 mmHex 4, 4, 4, 5, 5, 6, 6, 6 mmTX 10, 10, 10, 15, 15, 20, 20, 25, 25, 25, 27, 27, 27,30, 30, 30, 40, 40, 40Technical data:material: silicon-molybdenum steel presentation in shelf: sales display content: 71-piece