Ultem Honeycomb Mark 3 Inlay for Swampy Custom Keychains

Upgrade your setup with an Ultem (PEI) Honeycomb Mark 3 inlay made for Swampy custom keychains—lightweight, durable, and instantly recognizable by that warm amber “Ultem glow.” The Mark 3 honeycomb texture adds depth and grip while keeping a clean, modern look that pairs well with black hardware, titanium builds, and minimalist everyday carry gear.

This is a replaceable magnetic inlay insert, designed for quick swaps so you can change the vibe of your keychain in seconds—no tools, no hassle. If you’re searching for an Ultem inlay, a PEI honeycomb keychain insert, or an interchangeable inlay for custom EDC keychains, this piece is a pocket-ready upgrade that’s easy to rotate and built to stay locked in place.

Specs:
Material: ULTEM (PEI)
Color: Amber
Pattern: Honeycomb Mark 3
Width: 1.3" (33mm)
Height: 0.750" (19mm)
Thickness: 0.120" (3mm) 
The inlay attaches to the Swampy bottle opener using magnets.

Replaceable inlay only (keychain base/body sold separately). Ships to USA 🇺🇸, France 🇫🇷, Netherlands 🇳🇱 & worldwide 🌎.