Stabilization has the advantages of acyrlic, while enhancing the natural beauty of the wood. Stabilized woods have been impregnated with acylics under pressure. This increases durability, makes it impervious to water, and gives exceptional tonal qualities. These blanks are not drilled. The Call Reeds, with the exception of the Crow Call, fit into a Call with the Barrell drilled with a 3/4" Drill Bit 0158 and the Stopper drilled with a 31/64" Drill Bit 0176. The Crow Call requires a 41/64" Drill Bit 0143. Hardware is not included with these Blanks.