I believe it is a benchmade infidel or mini-infidel.
It's a Benchmade 3300 Infidel OTF. Very nice, $500 knife though.
She first uses it in the final episode of season two.
Kramer uses his alter ego H. E. Pennypacker a few times. One of them is in the episode The Millennium (season 8 episode 20).
The knife he uses is a Mercworx Goliath.
Three Uses of the Knife was created in 1998-02.
She never uses a lightsaber in Episode 3. However, in the Clone Wars TV series, Season 1 Episode 22 "Hostage Crisis," she uses Anakin's lightsaber to cut him free of his handcuffs
Season 8 , Episode 8 "For Real Men Only" Cliff: "There are no Jews in Borneo you moo-wok"
a knife.
Prue first uses her astral projection power in Season 1, Episode 4, titled "Dead Man Dating." She discovers her ability to project her astral form to different locations while her physical body remains behind.
Citrus knife . it can be used for slicing or trimming meats.
axe, or knife
Asuma uses a specially made knuckle knife like the Chakara Blade, it uses the chakara of the wielder to sharpen and strengthen the knife. That's why his knife can pierce through anything