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Sherwood air tank valve knob in black color
Directional “OPEN” and “CLOSE” arrows molded into knob end
Constructed of sturdy hardened rubber with metal plate insert
1.69 inches in length
1.75 inches outside diameter
The Trident Sherwood SCUBA Air Tank / Cylinder Valve Knob, Black provides a durable valve knob for Sherwood air tanks in an all-purpose black color. Constructed of sturdy hardened rubber with metal plate insert, the knob features an outer surface that’s ribbed for easy grip. Measuring 1.69 inches in length, the knob has an exterior diameter of 1.75 inches. The words “OPEN” and “CLOSE” with accompanying directional arrows are molded into the end of the knob, to help prevent over-tightening.