Description
48” In-Ground Aluminum Post for Letter Locker Collection Mailboxes – HLL48PW
HLL48PW Delivering Strength and Long-Term Reliability
Ensure a secure and professional installation for your Letter Locker Collection Box with the HLL48PW 48” In-Ground Post from National Mailboxes. Built to withstand varying environments, this post offers dependable support while maintaining a clean, finished appearance.
Engineered for Durability and Longevity
Manufactured from 1/8″ thick extruded 6061-grade aluminum, the HLL48PW provides exceptional rust resistance, making it ideal for dry to damp climates. The post measures a sturdy 4″ square and includes a 1/4″ thick aluminum top plate to ensure a secure mount for your collection box.
Supporting Secure Mail Management
Designed specifically for Letter Locker Collection Boxes, this in-ground post is essential for installations where concrete or hard surfaces are not present. It allows large institutions, businesses, and multi-unit properties to offer secure mail delivery and collection services with confidence.
Where Security Meets Seamless Installation
Select the HLL48PW for a strong foundation that matches the durability of your Letter Locker Collection Box. With multiple color options including Black, Bronze, Grey, Tan, and White, this post easily complements your existing property aesthetics while ensuring a professional installation that lasts.
Our Aluminum posts are:
- Constructed of 1/8″ thick extruded aluminum, grade 6061
- In-Ground Posts include 1/4″ aluminum top plate
- Measure 4″ square
- Recommended for dry to damp climates due to its resistance to rust.
Color: Black, Bronze, Grey, Tan, and White



















