The calculations are approximate,
you will receive a detailed calculation (composition) after we receive your order.
1. stage height? 60-140cm
2. with leveling? FIX or +/- 3cm
3. type of staircase suspension? HOOK ON / PUSH ON
    HOOK ON - the last step is at the stage level
    PUSH ON - the last step is below the stage level of 20cm
4. depth of the last (upper step)? 39cm or 50cm
5. number of railings? 0pcs - 1pc - 2pcs
6. Stair width? 100cm - 150cm - 200cm