Item No. | Steps | Closed length (mm) | Open height (mm) | Open width (mm) | Foot width (mm) | Volume | Weight | Thickness (mm) |
JL-504B | 3+1 | 1270 | 1160 | 735 | 480 | 0.068 | 5.6 | 2.9 |
JL-505B | 4+1 | 1575 | 1440 | 890 | 520 | 0.088 | 6.9 | 2.9 |
JL-506B | 5+1 | 1880 | 1730 | 1040 | 560 | 0.109 | 8.1 | 2.9 |
JL-507B | 6+1 | 2185 | 2010 | 1195 | 600 | 0.135 | 9.7 | 2.9 |
JL-508B | 7+1 | 2490 | 2300 | 1350 | 640 | 0.156 | 11.0 | 2.9 |
JL-510B | 9+1 | 3100 | 2860 | 1640 | 720 | 0.214 | 14.0 | 2.9 |