Wooden Storage/Garage Racking (Petersfield GU31)

Wooden rack for home or garage three supports of 50 cm wide 178 cm tall supplied with eight boards system needs to be fixed securely to a sturdy wall in the garage supplied with the support struts and the pins for locating the shelves made of what appears to be pine probably like old IKEA system seven of the boards are clean one board has some spray paint on it. The boards are 50 cm deep 83 cm wide the three supports make two bays