Extra heavy-duty

OLFA model H-1

OLFA model H-1

Extra heavy-duty ratchet-lock utility knife with rubber grip insert

OLFA model NH-1

OLFA model NH-1

Comfort Grip extra heavy-duty ratchet-lock utility knife

OLFA model XH-1

OLFA model XH-1

Extra heavy-duty ratchet-lock utility knife - X Design series

OLFA model XH-AL

OLFA model XH-AL

Extra heavy-duty Auto-lock utility knife - X Design series