String Vertical Hook is designed by Anna von Schewen & Björn Dahlström for the String brand. The hook is made of stainless steel and is to be used with String's back plate to complement the freestanding outdoor shelf, which fits equally well on a larger patio as well as a smaller balcony. The hook is perfect to use to keep tools, garden tools and other essentials for the patio in order. The hook can withstand all types of weather and each package is delivered in a 4-pack.