These unique fineliners, with high-quality aluminum barrel designs and ventilated caps, feature metal encased tips with patented micro cushioning that adjust to the individual's writing pressure. Sensor Fineline Pens offer excellent writing comfort and the durable tips will not bend or break under increased and prolonged strain. They are well suited for use with a ruler or stencils. This wallet set contains one each of black, blue, green and red. Details:Assorted colors0.3mm fine tip4 pensAluminum barrelsMetal encased tips