Thumbturn CH001 Does not contain an exterior lock piece. Available with multiple different surface treatments. Specifications Type of product Escutcheon/rose/handle Close Downloads ABLOY_CH001_Dimensional_Drawing_1.pdf (.pdf, 172 kB) Close Thumbturn cylinder CH011Thumbturn cylinder. Exit thumbturn CH006Exit thumbturn for solid doors. Thumbturn CH005Thumbturn for balcony door latches.