Baluster type
Laminated glass is attached to baluster posts.Handrail is wood or metal.
Laminated glass is attached by side to stair steps or metal. Handrail is wood or metal.
12 mm diameter spars are horizontal between baluster posts. Handrail is wood or metal.
12mm diameter spars are vertical between baluster posts. Maximum space 100 mm. Handrail is wood or metal.