This Universal BACK comes with prepackaged with mounting screws and fits on many manual wheelchair models. There are 2 sets of mounting hole patterns, please measure  the mounting hole on your chair and compare it to this picture to make sure it will fit on your chair

Every seat includes new set of mounting screws.

Pleased look at the pictures to see the mounting hole spacing and compare to yours.

California Proposition 65 Warning
 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov