Premium Numbers for Houses: The House Numbers for Outside Modern Is Made of Zinc Alloy with A Weather-Resistant Black Finish, Make Numbers Heavy Duty Long-Lasting and Rust-Resistant, withstand Adverse Weather Conditions. Easy Installation : Please Be Sure to Check Whether Your Wall Can Be Drilled Before Buying , The Only tool Required Is A Pilot Drill and Hammer, Affix Number to Wood, Block, Brick, or Concrete By Creating A Pilot Hole , Then Use Screws to Fix The Numbers to The Door, Wall and Mailbox Post, Strong Thread Makes The Black House Numbers More Secure and Stable. Versatile Design: The Metal House Numbers Allow Floating or Flush Mount, Achieve Classic or Modern Appearance,If You Use The Floating Mount The House Number, It Will Show A Shadow Effect, and The Front View Will Have The Effect of Floating Numbers. Applicable Scenarios: The Large House Numbers Can Add Visual Attraction to Any Place That Needs Number Recognition, They Can Be Widely Applied In Houses, Gardens , Fence, Cottage/ Villa Residence, Mailboxes, Streets, Adding Modern and Elegant Feeling to Your Home.