RB/WB Basal Screw for RB/WB Temporary Abutments, Anatomic Abutments, Variobase® for Crown, Variobase® for Bridge/Bar Cylindrical, angled Screwretained Abutments, Premilled Abutment Blanks, Gold Abutments, and angled Novaloc® Abutments, length mm TAN RB/WB Basal Screw AS for RB/WB Variobase® Crown AS, length mm, only compatible with AS Screwdriver (green .