The Lewis K710 Locking Safety Knife from Seal-O-Matic features an automatic safety hood that snaps shut and locks once contact is lost with the cutting surface. Safety hood is clear to allow easy viewing of the cutting edge.  Ergonomic knife design accommodates both right-handed and left-handed users. Blade can be easily changed without tools; blade exposure is adjustable to two depth settings.

Seal-Omatic Corp., Berthoud, CO.