Stairville iX/Tour Stage Stair Ext. 60cm, Extension Module 60 cm for Modular Stairs, Expansion module: 60 cm Step, Suitable for Stairville iX Stage and Stairville Tour Stage stage platforms, For stage height: 80 cm, Tread width: 99 cm, Tread depth: 35 cm, Dimensions (W x H x D): 99 x 60 x 35 cm, Weight: 12.2 kg@+Note: only works in conjunction with Stairville iX / Tour Stage Modular staircase 20/40 cm (Article Nr. #366097#)