Stairway Assembly Set GP 30° contains all the fastening elements needed to secure a stairway with a 30-degree pitch to the ground and to the next level up. Profile 8 120x40 light is recommended for use as a stringer profile between the step angle brackets.This Assembly Set is not suitable for building a stairway that connects a stairway landing to a platform or similar element. Stairway Assembly Set PP 30° should be used for this purpose.