ST-2481 is for a special cut and weld EDA arm when used with wide throw hinges and needing 180° door swing. When ordering, you will need to specify size of the hinges, door thickness if other than 1 ¾", and the degree of opening required.
ST-2493 is for a special cut and weld HEDA (hold open EDA) arm when used with wide throw hinges and needing 180° door swing. When ordering, you will need to specify size of the hinges, handing, door thickness if other than 1 ¾", and the degree of opening required.
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