CB-6 Features: Focuses strictly on your bicep muscle group. Different adjustable positions make the CB-6 perfect for a wide variety of users. (Bar and weights sold separately). High density, contoured, dual-layer arm rest pad measuring 14-Inch x 24-Inch x 3-Inch. 4 position arm rest adjustment for +/- 6-Inch range. High density, tapered, dual-layer seat pad measures 15-Inch x 9-Inch/6-Inch x 3-Inch. 4 position adjustment bar catch for +/- 6-Inch range. 5 position seat post adjustment for +/- 4-Inch range.