1 Lb Bulk Box of Yellow Sprue Wax 9.0 mm Jewelry Pattern Making Investment Wax This is a wax that features ample flexibility and sufficient rigidity for sprueing and mounting a wax pattern. Specially formulated (145F/63C melting temperature); not just to hold patterns during the investing process, but also for easy elimination during burnout. Quality-made in the U.S.. Additional Details: 1 Lb bulk box; measurements: 6-3/4" in length; 3/8" in diameter / 9.0 mm. Please contact us with any questions. Thanks for looking! This is a wax that features ample flexibility and sufficient rigidity for sprueing and mounting a wax pattern Specially formulated (145F/63C melting temperature); not just to hold patterns during the investing process, but also for easy elimination during burnout Quality-made in the U.S.A.