The Ajax Scientific EL208-0000 glass friction rod is 250 to 300mm long and 10 to 13mm in diameter. It is used to create frictional electricity using materials such as silk, wool, or fur (sold separately) in science experiments such as charging an electroscope.

Ajax Scientific distributes scientific equipment, supplies, and instruments for industrial, research, and educational applications. The company, founded in 1984, is headquartered in Toronto, ON, Canada.