5/16" Graphite Gland Packing (8mm x 0.5m)

On a boat having an inboard motor that turns a shaft attached to an external propeller, the shaft passes through a stuffing box, also called a "packing box" or "stern gland" in this application. The stuffing box prevents water from entering the boat's hull.

Made from quality yarn impregnated with petroleum jelly and coated with flake graphite prior to plating.

Suitable for stern glands, pumps etc.

Width: 5/16 inch (8mm)

Length: 0.5 metres

Also available in 1/4" (6.5mm) and 3/8" (10mm).