I am looking mainly for the black shoe at the end put I am guessing I will need to order the hole arm.Can you direct me to the correct one
Bob from SWISCO responded:
July 27, 2020
Good news! In this case, you may be able to purchase the slider piece separately. That slider piece looks like the square-shaped 39-529, which is used with the 39-253LB and 39-253RB operators. Look it over and see what you think.