Mail Slot Extension Sleeve Adjustable Insert for Thick Entry Doors

The Mail Slot Extension Sleeve is designed for entry door applications, providing a reliable solution for installing mail slots in thicker doors. Ideal for residential and commercial use, this sleeve extends the depth of standard mail slots to ensure proper fit and secure installation.

Sold by: Each
Finish/Color: Black
Material: Plastic
Door Thickness Compatibility: 1-3/4″ to 4-1/4″
Application: Entry Doors
Function: Extends Mail Slot Depth for Thick Doors
Features: Cut-to-Size Design for Custom Fit
Part Number: CH-310

Constructed from durable plastic, this extension sleeve offers long-lasting performance and resistance to wear. Its simple design allows it to fit seamlessly within existing mail slot assemblies while maintaining proper alignment and functionality.

Engineered for flexibility, this sleeve can be easily trimmed to size using a fine-point saw, allowing it to accommodate door thicknesses ranging from 1-3/4″ to 4-1/4″. Perfect for retrofit or new installations, it ensures a clean, professional finish when installing mail slots in thicker doors.