a line of pens from Wahl in plastic with either plunger or lever fillers. These are often thought of a lower quality pens, but many are of equal quality to the Wahl models.

A pen clip which has a open, round, washer style mount on top. Commonly used on Parker Duofolds.

A term used by Sheaffer to signify the lifetime guarantee. It was copied by Wahl with the gold seal, and later by Parker with the blue diamond.

a pattern in hard rubber pens used widely by Waterman and Wahl, and also by several other companies. Was to give the appearance of the grain pattern in wood.