Select diameter from drop down menu. Wax patterns are sprued and mounted on sprue bases prior to investing. Bases are available in four different designs and various sizes to fit the desired flask size. Dont forget to make sure you have the matching rubber sprue base. We sell a large selection of casting machinery, investment & consumables like injection waxes , tubes, slices, slabs & wires , silicone strips, mould frames & more. Sprue Bases From 2″ to 4″ March 19th, 2026Terri
