Steel Folding Rule 钢皮折尺 ; 钢折尺

boxwood folding rule 黄杨木折尺

wooden folding rule 木折尺

brass folding rule 铜折尺

maple folding rule 枫木折尺

ivory folding rule 象牙折尺

wood folding rule 木折尺

Six-folding rule 六折式尺

pocket folding rule 折尺