Vial Plier Decapper Decrimper for 30mm Seals Buy Online. Kebby Industries, a reputable US manufacturer, offers the 30mm Vial Seal Plier De-Crimper, capable of handling both aluminum center tear and flip-off seals. Designed for 30mm seals featuring a plastic lid, users should first remove the lid before employing the de-crimper. These de-crimpers are equipped with white vinyl gripped handles for comfortable use.