Comparison : Item # UEMFL204-12MZ20, Accu-Loc® Concentric Collar Locking Two-Bolt Flange Unit, UEMFL200MZ20 Series
Item # UEMFL205-16MZ20, Accu-Loc® Concentric Collar Locking Two-Bolt Flange Unit, UEMFL200MZ20 Series
Item # UEMFL206-19MZ20, Accu-Loc® Concentric Collar Locking Two-Bolt Flange Unit, UEMFL200MZ20 Series
Item # UEMFL206-20MZ20, Accu-Loc® Concentric Collar Locking Two-Bolt Flange Unit, UEMFL200MZ20 Series
Item # UEMFL207-20MZ20, Accu-Loc® Concentric Collar Locking Two-Bolt Flange Unit, UEMFL200MZ20 Series