This is the Genuine Advance Nilfisk Center-Lok 3-Snap-In Centering Device. Genuine part #56505195.Specifications:Machine Application: Captor 4300, Captor 4300-AXP, Captor 4800, Captor 4800-AXP, Captor 5400, Captor 5400-AXP, CR 1100, CR 1200, CR 1400,...