Disclosed is a vehicle antitheft device not requiring a contract with a security company, etc. The phase selection circuit is configured for outputting the local clock signal as a phase-adjusted local clock having a selected phase based on a phase selection value specified by the counter. The passageways extend through one or more ports penetrating the thickness of one of the plates thereby fluidly connecting the manifold to the opposite active surface of that plate, and the contacted electrode. The pockets are defined by a body portion and a clamp portion joined together by an integrally formed resilient or deformable portion which permits slight resilient movement between the clamping and body portions to facilitate the installation of a cutting insert in a pocket.