Only the finest quality materials are used for this Pneumo, which is 0.75″ (1.9 cm) in diameter, 13″ (33 cm) extended and 8″ (20 cm) relaxed. There is a 46″ (116.8 cm) beaded chain and 7′ (213.4 cm) of rubber tubing. A 45″ (114.3 cm) Pneumo Beaded Chain Extender, model 76513BC, may also be purchased. Used with the LX6-S computerized polygraph.
