Lowe’s has the HANDy Plastic Paint Grid (for 5 gallon buckets) for $2.24.
Free store pick-up, or free parcel shipping if not in stock (for MyLowe’s members).
https://www.lowes.com/pd/HANDy-Pl…d/50249307
The HANDy Paint Grid is an updated version of the classic metal Paint Grid. Made of easy-to-clean plastic, the HANDy Paint Grid securely attaches to standard 5 Gallon buckets. The design pattern allows to even distribution of paint on the roller. Made in the USA of recycled car battery plastic.