Use with Resin Rockers UV Resin Skim Coat Formula. The Crafters Mechanical Pencil". This pencil was designed with you, the crafter in mind. The body of the pencil is made of Stainless Steel for all your epoxy/vinyl crafts and more. The pencil has a removable chamber for easy personalization. Buy additional chambers separately to make more designs that can be changed onto the pencil in seconds. The .7MM Lead writes smoothly and neatly.