• Item Number: 542675. ⭐ Genuine Sikkens Autobase Plus RM Midcoat Hardener – 1 Quart ⭐. • Product: RM Midcoat Hardener. Designed specifically for use with approved Sikkens Autobase Plus refinishing systems, this hardener is trusted by professional collision repair facilities and automotive refinish technicians to achieve durable, high-quality paint finishes.
