Dynamic Friction Company Front Disc Brake Hardware Kit 340-75009| Fits 2006 Lexus GS300; 2009-2015 Lexus IS250

There was a thin metal clip between the caliper and the pads. I replaced it with fresh one. Although admittedly I don't think i wire brushed off the caliper in that spot when replacing so not sure if there was any rust buildup there. Was this part below https://www.amazon.com/dp/B07QCD88H5?ref=ppx_yo2ov_dt_b_fed_asin_title