Raft knife
Razor blade holder
Razor knife with autoretracting blade
Razor knife with retractable and latchable blade guard
Razor knife with self-retracting blade
Releasable blade locking mechanism for utility knife
Releasable blade locking mechanism for utility knife
Releasable double locking knife
Replaceable adjustment mechanism
Replaceable blade knife
Replaceable blade knife
Replaceable blade knife
Replaceable blade type knife
Retractable blade knife
Retractable blade knife
Retractable blade knife
Retractable blade knife
Retractable blade knife
Retractable blade knife and cutting edge
Retractable knife