wood-steel staircase (interlocking tubular spine) - ws-001

The basic components of wood-steel staircase (interlocking tubular spine);
1)mono stringer made of steel interlocking tubular spine mainly in 3 colors of black, milky white and flash silver;
For the height of risers, both adjustable and unadustable types available;
2) steel balustrades and rails;
3) wood or toughened glass treads; The minimum steps is 13;