4 Tier Galvanised Garage Shelving 175kg Strong Steel Racking. Strong and sturdy galvanised garage shelving, delivered fast and free from our UK warehouse. 175A is 1500mm tall, 175B & 175D are 1800mm tall. TUV tested to a whopping 175KG per shelf level. Galvanised frame protects from corrosion. All bays can be built as single unit or two half height units. No nuts or bolts, simple tap together assembly using just a rubber mallet (mallet not included). Beam steel is engineered for additional strength. Other galvanised bays use 0.55mm steel, ours are 0.63mm! These fantastic units which compare favourably to other similarly priced products.