Fender-style Slotted Truss Rod Nut
As used by Fender on Strats®, Teles® and other guitars from the 1950's to present. Available in two thread sizes.
Fender-style Bullet Truss Rod Nut
Introduced in 1966, the "bullet" truss rod allows Fender-style necks to be adjusted at the pegheadwithout removing the neck.
Spoke Wheel Truss Rod Nut
A modern approach to 'heel-adjust' necks. The spoke wheel allows you to adjust the neck while it's still bolted on.