These Blenders Pens from Derwent are professional quality pens for use with pencils, that are suitable for both beginner and professional artists. They are ideal for blending away pencil lines and creating a smooth and even colour finish for both graphite and colour pencils. You can create different effects due to the 2 different nib sizes included, 2mm for more precise detailed work and a 4mm bullet nib for blending away pencil lines. - Brand: Derwent - Pack of 2 - 1 x 2mm nib pen for precision - 1 x 4mm bullet nib for blending