These solid brass Hot Pen Tips are not intended to apply paint, but to offer yet another way to manipulate a paint surface. When attached to the Enkaustikos Wax Pen, the Hot Tips heat up rapidly and can effortlessly cut into the top layers of wax paint revealing underlying layers of color. The various Hot Tip shapes allow different surface treatments. This set comes with the bullet tip; the fine needle tip; and the mini hot palette knife tip. Note: This image has been enlarged to better illustrate the shape of the various tips. The US penny in the photo will give you an idea of their true scale.