Each Ultra Flex support system includes three interchangeable clamp heads: two-prong clamp head that opens to 2.6" ( 6.6 cm) dia, three-prong clamp head that opens to 2.3" (5.8 cm) dia, spring clamp head that opens to 0.5" (1.3 cm) dia and utility wrench.

Ultra Flex Support System with base plate
Base plate system includes flex arm, interchangeable clamp heads and base plate. Designed to fit easily on bench tops or in fume hoods with a stable 5 x 5” (12.7 x 12.7 cm) chemical resistant black finish steel base plate.