Comparison : Item # UEFCS206-18, Accu-Loc® Concentric Collar Locking Piloted Flange Cartridge Unit, UEFCS200 Series
Item # UEFCS206-19, Accu-Loc® Concentric Collar Locking Piloted Flange Cartridge Unit, UEFCS200 Series
Item # UEFCS206-20, Accu-Loc® Concentric Collar Locking Piloted Flange Cartridge Unit, UEFCS200 Series
Item # UEFCS207-20, Accu-Loc® Concentric Collar Locking Piloted Flange Cartridge Unit, UEFCS200 Series
Item # UEFCS207-22, Accu-Loc® Concentric Collar Locking Piloted Flange Cartridge Unit, UEFCS200 Series