This is a very nice, new 12 piece needle file, fine cut set with rubberized red handles in a plastic recloseable pouch..
These will be just the ticket for fine filing and fitting, and deburring of those small parts you've just machined.
Size: 1/8"(3mm) x 5-1/2"(140mm)
Fine Cut: 82 Cut per Inch
Working length: 2-1/2"