... 2.Steel Tubes:Q195,120g/m2 zinc-coating,hot galvanized inside&outside 3.Jumping Mat:PP, 280g/m2, Trampoline:1) Steel ... Tubes: Q195, hot dip galvanized inside & outside, 120g/m2 zinc coating (Including W-Leg, Leg-Extension, Top ... , bottom with elastic hooks2) Net Poles: Q195, hot dip galvanized inside & outside, 120g/m2 zinc coating Reach ground, more stable than those ...