Ferris Yellow Sprue Wax - 3/8"-6 Ga.-8 Ga.-10 Ga.-1/2 lb Boxes-6" Lengths

Ferris yellow sprue wax is one step down in hardness and one step down in flexibility compared to Ferris red sprue wax #12. Next to Ferris red, Ferris yellow is the second best selling sprue wax in the world. Designed to burn-out quickly without expansion or residue and fully refined to eliminate impurities.  Sold in 1/2 lb boxes that contain individual round sprue wax sticks that are 6" long. Made in the USA.

Choose from 4 diameters:

• 121.508  0.380" (3/8") 9.5 mm
• 121.509  0.162" (6 Gauge) 4.12 mm
• 121.507  0.128" (8 Gauge) 3.25 mm
• 121.506  0.102" (10 Gauge) 2.6 mm