Mike, there is no blade length restriction in Massachusetts.
Statute is 269-10b
See the definition of the knives below.
_____________________________________________
Sti*let"to (?), n.; pl. Stilettos (#). [It., dim. of stilo a dagger, fr. L. stilus a pointed instrument. See Style for writing, and cf.
Stylet.]
1. A kind of dagger with a slender, rounded, and pointed blade.
2. A pointed instrument for making eyelet holes in embroidery.
3. A beard trimmed into a pointed form. [Obs.]
____________________________________________________________________
Dagger
Dag"ger (?), n. [Cf. OE. daggen to pierce, F. daguer. See Dag a dagger.]
1. A short weapon used for stabbing. This is the general term: cf. Poniard, Stiletto, Bowie knife, Dirk, Misericorde, Anlace.
2. (Print.) A mark of reference in the form of a dagger [†]. It is the second in order when more than one reference
occurs on a page; -- called also obelisk. Dagger moth (Zoöl.), any moth of the genus Apatalea. The larvæ are often
destructive to the foliage of fruit trees, etc. -- Dagger of lath, the wooden weapon given to the Vice in the old Moralities.
Shak. -- Double dagger, a mark of reference [‡] which comes next in order after the dagger. -- To look, ∨
speak, daggers, to look or speak fiercely or reproachfully.
_______________________________________________________________________
Dirk
Dirk (?), n. [Ir. duirc.] A kind of dagger or poniard; -- formerly much used by the Scottish Highlander. Dirk knife, a clasp
knife having a large, dirklike blade.
_______________________________________________________________________
dou·ble-edged (dbl-jd)
adj.
1.Having two cutting edges: a double-edged blade.
2.
a.Effective or capable of being interpreted in two ways: double-edged praise.
b.Having a dual purpose: combat troops with a double-edged mission.
__________________________________________________
Brownie
