Student synthetic liner brush set set of 5liner brushes are sometimes known as riggers the long synthetic hairs are designed for sign writing and detailed work and they have short handles one each of sizes 0 1 2 3 and 4the student brush range offers a huge choice of sizes and bristle options the seamless ferrules are made from anti rust anodised aluminium and the silver coloured coating on the birch handles has been lacquered to give full protection against water where possible we so