This is a GENIE brand rail end mount or Rail Strap #22766R It is for a screw drive model garage door operator. It is used, HAS been cleaned,inspected and is in excellent condition.Look closely at the pictures and other information to determine if this is the one you need. size 6 1/8"L x 1 1/4"H and is held on by 2 screws stk#(653)A15,B2
