Polyester body filler with integrated hardener is a two-part automotive repair compound designed for filling, shaping, and smoothing dents, cracks, and imperfections on metal and fibreglass surfaces. This 500g pack includes the correct ratio of hardener for immediate mixing and application, offering excellent adhesion and a smooth finish that sands easily for professional results. Ideal for panel beaters, automotive technicians, bodyshop professionals, and serious DIY enthusiasts undertaking vehicle restoration and repair work.