Drill set in standard plastic cassette consisting out of 24 stub length drills with straight shank, A022 diameters 1.0 up to 10.5mm in increments of 0.5mm and 3.3, 4.2, 6.8 and 10.2mm, according to DIN/ANSI standard with 135° split point, HSS with TiN-tip coating for 2.5xD drilling without pecking in steel and cast iron (above 2.0mm with bright finish and conical point)