ideal for modelmakers, robot enthusiasts, bench work etc;socket diameters are (across flats) 3.0mm, 3.5mm, 4.0mm, 4.5mm ,5.0mm, 5.5mm, 6.0mm;deep sockets (allowing a good length of thread to protrude though the nut);Made in Japan by a precision hand tool manufacturer

• miniature sized nut spinner set (hex nut drivers in mini / small sizes). Japanese quality. engineer dk-04
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miniature sized nut spinner set (hex nut drivers in mini / small sizes). Japanese quality. engineer dk-04Engineer Inc.