The Best Ultralight Keychain Tools

These are the best ultralight tools I have found. They all fit on a keychain:

ThruNite Ti3 Flashlight — produces 120 lumens — waterproofed to IPX-8 — impact resistant — use a single AAA battery

Titan Plus Flashlight  —  produces 300 lumens of light — durable construction — waterproof — made in USA

RovyVon A3 Flashlight — produces 700 lumens — IPX-65 water-resistantwaterproofed to IPX-65

Nite Ize Inka Pen — writes underwater — writes in temperature from -30 degrees to +300 degrees — ultralight — made in USA

Leatherman Micra — ultralight mult-itool — includes scissors — made in USA

World’s Smallest Titanium Toothpick — a portable toothpick made out of titanium

Quick Release Keychain Clip — ultralight titanium clip for a keychain