ITEM NAME:Portable Hygiene Hand Brass EDC Door Opener Handle Elevator L5G3 Description&Preview.1 Portable tools. Antimicrobial 260 Brass Alloy kills germs in up to 4 hours. Brass Alloy, which is inherently antimicrobial because of its 70% Copper content. ANTIMICROBIAL BRASS ALLOY. Easy to clean the CleanKey with a disinfectant wipe – will not tarnish or corrode the brass.