NAILS: The American Sign Language (ASL) sign for "nails"

If you mean "nail" as in a rod shaped piece of metal, see NAIL

The concept of "nail" as in "fingernail / toenail" in ASL can be produced by running your dominant hands index finger over the nail of any finger on the non-dominant hand.

If you are referring to one NAIL you can point to that one specifically:

If you referring to your fingernails in general you can sign:

Related concepts:

Nail polish can be signed a few different ways:

NAIL POLISH:

(fs)-NAIL-POLISH

(fs)-NAIL POLISH

NAIL CLIPPERS:

BITE NAILS:

If you wanted to discuss LONG NAILS, you could sign:

Notes: 

See: HAND

See: FOOT

See: NAIL POLISH