Comparison : Item # UEMST204-12MZ20, Accu-Loc® Concentric Collar Locking Take-Up Unit, UEMST200MZ20 Series
Item # UEMST205-16MZ20, Accu-Loc® Concentric Collar Locking Take-Up Unit, UEMST200MZ20 Series
Item # UEMST206-19MZ20, Accu-Loc® Concentric Collar Locking Take-Up Unit, UEMST200MZ20 Series
Item # UEMST206-20MZ20, Accu-Loc® Concentric Collar Locking Take-Up Unit, UEMST200MZ20 Series
Item # UEMST207-20MZ20, Accu-Loc® Concentric Collar Locking Take-Up Unit, UEMST200MZ20 Series