Greater radiopacity: allows radiographic visualization, Standardized burs with inactive tip: precise calibration of posts according to burs present in the kit; very thin cement layer, High concentration of fibers: better mechanical properties, Special glass fiber: excellent transmission of light, Double taper: matches root canal shape, Modulus of elasticity similar to dentin?s: lower risk of root fracture, Silicone stop: identifies post size and indicates place for cutting, Direct use (prefabricated): saves clinical time and decreases lab costs, Longitudinal fibers: easy removal, Versatility of sizes: indicated for most clinical cases