Question about Toolcraft Watch screw set

30 floor screws 4.5 mm
30 quartz watch screws (assorted sizes)
30 automatic watch screws (assorted sizes)
30 analogue clock screws (assorted sizes)
15 Round-head screws 3.5 mm, half thread
15 watch screws 3.0 mm R/B F/T
15 Nose pad screws
15 Flat head screws with nut 8 mm
15 Flat head screws 2.5 mm
15 Flat head screws 4.2 mm
15 Allen screws 4.5 mm
15 Allen screws 3.5 mm

Attached is a picture in large resolution, then you can zoom in a bit: https://asset.conrad.com/media10...