Vehicle antitheft apparatus

Abstract

A vehicle antitheft apparatus that is difficult to cut and fuse is provided. A vehicle antitheft apparatus according to the present disclosure includes an arm part attached to a predetermined place of a vehicle, the arm part being configured to restrict a predetermined movement of the vehicle, and a fixing part configured to fix the arm part. The arm part includes a first layer made of a mixture of alumina and a resin material, and a second layer disposed on an inner side of the first layer, the second layer containing stainless steel. At least a part of an outer surface of the second layer is coated with chromium; the outer surface of the second layer has unevenness; and a linear material containing titanium or iron is provided between the first and second layers.

Dependencies are inferred from the claim text.