Model No. | Total steps | Close height(cm) | Extension height(cm) 2 sections | Max load (kg) | Weight (kg) |
GB-112B 8*2 | 8+8 | 265 | 410 | 150 | 15.5 |
GB-112B10*2 | 10+10 | 325 | 530 | 150 | 19.5 |
GB-112B 12*2 | 12+12 | 385 | 650 | 150 | 22.5 |
GB-112B 14*2 | 14+14 | 445 | 770 | 150 | 24.5 |
GB-112B 16*2 | 16+16 | 505 | 890 | 150 | 31.4 |
GB-112B 18*2 | 18+18 | 565 | 1010 | 150 | 39.5 |
GB-112B 20*2 | 20+20 | 625 | 1130 | 150 | 43.5 |
GB-112B 21*2 | 21+21 | 655 | 1190 | 150 | 45.5 |