THE LAW (Texas Criminal & Traffic Law)
Title 10
OFFENSES AGAINST PUBLIC HEALTH, SAFETY, AND MORALS
CHAPTER 46 WEAPONS
(6) "Illegal knife" means a:
A) knife with a blade over five and one-half inches;
B) hand instrument designed to cut or stab another by being thrown;
C) dagger, including but not limited to a dirk, stilletto, and poniard;
D) bowie knife;
E) sword; or
F) spear.
(7) "Knife" means any bladed hand instrument that is capable of inflicting
serious bodily injury or death by cutting or stabbing a person with the
instrument.
(11) "Switchblade knife" means any knife that has a blade that folds, closes,
or retracts into the handle or sheath, and that:
A) opens automatically by pressure applied to a button or other device located
on the handle; or
B) opens or releases a blade from the handle or sheath by the force of gravity
or by the application of centrifugal force.