This hoop will only fit large format Tajima, SWF, Barudan, ZSK, and Brother commercial machines. If your machine is one of these brands, and can hold one of the following hoops, then this hoop will work on your machine:
Tajima 475x450
SWF 419x439
Barudan 460x434
Brother 400 wide x 430 deep
Your brackets may look different than the picture
The inside dimension of this hoop is 4 1/4" x 16" (4.25x16", or 108x406mm)
Actual sewing area depends on brand of machine
approximately 3 1/2 x 15 1/4" (3.46"x 15.21" or 88 x 391mm)