Assa Abloy/Ricso 990 689 door holder. New in box. AI Description This new Rixson Assa Abloy 990 689 magnetic door holder is a versatile solution for holding doors in place. It has a tri-volt fire alarm release feature and is suitable for fire doors. The item comes in a pack of one and is designed to be used in commercial door hardware. It can be used in various settings such as commercial doors and door hardware, building materials and supplies, and business and industrial environments.