All wax tubes have inside diameters of 5/8" and are 6" long. available in three hardnesses:

• Green Hard with very little flexibility. Ideal for filing and delicate engraving. Softening temperature: 230° F/110° C.
• Purple Medium hard with medium flexibility. All purpose wax is ideal for models with extensive piercing, baguettes, and air line openings. Softening temperature: 225° F/107° C.
• Blue Softer and highly flexible, this wax will take a 900 bend without breaking. Ideal for models with extensive piercing or thin exposed sections. Softening temperature: 220° F/104° C.