.decimal offers a variety of custom devices for photon treatments, including IMRT modulators (compensator-based IMRT); custom-milled uniform thickness bolus using rigid wax or flexible silicone (when conventional bolus materials prove problematic due to irregular surface anatomy); and GRID therapy for large bulky and advanced tumors. We also offer full block room services including TBI blocks, photon blocks, and almost any custom device or widget you can dream up. Product Page