diy outdoor stairs

How to less than 400 € a metal staircase 3m and 11 steps? In this video I present my trick to assemble galvanized steps and two ipn 70x120mm with a minimum of tools and especially for an unbeatable cost, this very solid staircase and suitable for all climates can be built by a good handyman in 2 days with steel, stainless steel bolts, a welder, an angle grinder and a little patience.