Product information: Scratching bits set is very robust and designed for heavy inserts, special torsion zone gives the screwdriver bits extreme durability for permanent load, S2-modified steel and the optimized heat treatment process give the highest durability for extensive assembly and heavy industrial work, use: Torx, slit and cross slot -Screws contained: Inner-Torx T, Kreuzschlitz (pH), Kreuzschlitz Pozidriv (PZ), BitaPter: drive 1/4 ", hexagon, output 1/4", six-cant , product information BITS :, 26 pieces: Drive 1 / 4 ", manual mode suitable, machine operation, cross slot (pH): 7 pieces: PH 1 / PH 2 / PH 3, Kreuzschlitz (PZ): 4 pieces: PZ 2 / PZ 3, Torx: 14 pieces: T 15 / t 20 / t 25 / t 30 / t 40 , product information drilling :, 8 pieces multi-purpose drill / 3 mm / 4 mm / 5 mm / 8 mm