tf_weapon_knife
tf_weapon_knife is a point entity available in 
Team Fortress 2.
This is the spy knife. It is the melee weapon of the spy and has the ability to instantly kill players when backstabbing.
tf_weapon_knifetf_weapon_knife is a point entity available in Team Fortress 2.
This is the spy knife. It is the melee weapon of the spy and has the ability to instantly kill players when backstabbing.
