The Burr King Vibratory Urethane Coated Stainless Steel Tub Divider is designed for use with Burr King Model 25 & 45 Vibratory Tubs. The purpose of a tub divider is to section-off a vibratory tub. This is especially useful when processing delicate parts that cannot be in contact with each other. Both the Burr King Model 25 & 45 Vibratory Tubs can use 1-4 tub dividers. Made in the U.S.A.