Add Intricate Designs to Glass Tip set includes 3 tips: fine, medium and bold. The three different sizes allows you, the artist, the maximum amount of creativity and freedom when designing with the pens. This tip set is to be used in conjunction with the Glassline pens. Butterfly project created using Glassline Pen Kit #802015 and multiple layers of glass. For Glassline tips and instructions, click "View User Manual". Butterfly project created by artist Jaime Dobson. Winter project created by artist Lexan Cranfill.