hand laser, Tollan
THE STARGATE OMNIPEDIA
HAND LASER, TOLLAN
Curved, triangular-shaped Tollan weapon, steel gray in color, yielding a thin line of violet energy (possibly plasma, though the energy form remains unknown), effectively taking down assailants. It is believed to have both a stun and kill setting, though this has not been proven.

KEY EPISODE(S) -
Pretense - Tollan guards patrol their new homeworld with advanced hand lasers.
Between Two Fires - Narim arms SG-1 with Tollan hand lasers; Tollan guards take O'Neill and Teal'c into custody with the same devices.