... :Solid brass,zinc-alloy,aluminum alloy,iron,stainless steelAppication:Outdoor or Indoor use,Fence,House,Commercial,hotalNumber Sign range:# ... fine quality,free from burrs,scratchs,dirty,damages,cracksOur house numbers easily fasten to any pliable surface including wood, stucco ... by using glue or silicone adhesive to mount the numbers to just about ANY material, including brick and stoneSales ...