Model Compatibility: Fits M3, Cine, 3 Pro, 3T, and 3E devices as a bottom shell body frame replacement part.Part Type: Replacement bottom shell body frame component for structural housing repair.Functional Purpose: Restores form, fit, and function of the bottom shell body frame.Application Scope: Intended for repair of the bottom shell body frame on listed models.Installation Role: Direct-fit replacement part requiring alignment with mounting points and geometry.