My shorts got caught in the handlebar and when I took a step back I tore off the entire sink drawer. It's a false drawer & I need a replacement to secure it on. Thanks
Without any more information or a better picture, I would guess it's a plastic corner brace typically used in cabinetry.
Understand that the Home Depot folks that help here also work in stores, they're just not sitting in an office somewhere waiting for questions to come in. I'm not a Home Depot employee, just a customer, that enjoys helping other people.