Comparison : Item # B150A54S, 1-1/2" Size
Part B Safety-Cam Coupling with Locking Handles
Item # B200A54S, 2" Size
Part B Safety-Cam Coupling with Locking Handles
Item # B250A54S, 2-1/2" Size
Part B Safety-Cam Coupling with Locking Handles
Item # B300A54S, 3" Size
Part B Safety-Cam Coupling with Locking Handles
Item # B400A54S, 4" Size
Part B Safety-Cam Coupling with Locking Handles