This apparatus is useful for holding objects that are too large for standard clamps, such as glass distillation columns and odd shaped glassware. Chain and support band are made of strong chrome-plated brass, and support rod is constructed of stainless steel. Chain is 21” long and can be adjusted to support apparatus from 2” to 6.5” in diameter. Support rod is 0.46” in diameter with a length of 8.5”