The nominal Knuckle
length is the distance from
one edge of a knuckle to the same edge of the next knuckle.
Knuckles come in inch-relative sizes, like half inch,
three quarter inch, full inch, etc. Custom knuckle sizes are
extremely rare and expensive.
© 2016 H. A. Guden Co., Inc. 99 Raynor Ave, Ronkonkoma, NY 11779-6634