This new set comes in a strong box like all professional accessories the steel quality is hss g din 338 the set features six high quality hex drill bits in the most popular diameters 22 screwdriver bits with colour coding for easy selection plus two double ended bits 60mm length for quick application change the three most common nutsetter sizes 8 10 13mm for hex screws one magnetic and one quick release bit holder all you need for the job whats included set contents drills bits 25mm 3mm 35mm