TANE STB38TCDMWH 3/8" Recessed White Contact With Rare Earth Magnet

This Tane 3/8' recessed contact is useful when you need protection that's not in plain view. This will work with for most windows and doors. The reed switch side is 1.25" long. This contact comes with a rare earth magnet that makes installing a breeze. You won't actually have to recess the magnet part and this is good for windows or doors that may have a warranty.