Winsor & Newton Promarkers are a professional alcohol based marker ideal for illustration, design and comic work. Promarkers give blendable streak-free colours that can be worked over each other for seamless transitions and gradients. The dual-tipped marker includes a fine nib for tight line work and small details as well as a large chisel tip to cover larger areas quickly.  This set contains 5 blacks and 1 blender marker. Colour set: 5 Black and Blender. Alcohol based dye marker. Twin tipped with chisel tip and bullet nib. Winsor & Newton Promarker & Brushmarker FAQs