THUMBNUTS
Scrabble letter values: T1H4U1M3B3N1U1T1S1 = 16
Definition
THUMBNUTS is the plural of THUMBNUT.
noun THUMBNUT: a threaded nut with winglike projections for thumb and forefinger leverage in turning.
Synonyms of THUMBNUT: wing_nut, wing-nut, wing_screw, butterfly_nut