Dulux Perfect Edge Triangular Brush Available in: 1" & 1.5" Unique shaped brush head for precision edging Held like a pen Built-in tin opener With split bristle tips for a smooth & even finish The Dulux Perfect brush range has been specially designed to help you to achieve perfect results every time. The special split bristle tips minimise brush marks to give a smooth even finish Built in tin-opener. Unique triangular shaped brush head for precision edging.