OHS-1 clips are used mainly as an intermediate fastener between corner-mounted WAW Clips, which provide the main support. The OHS-1 is an all-purpose fastening clip for standalone or for use as an accessory to other mounting devices employed to install Protectowire Line Type Heat Detector. The OHS-1 is made of Galvanized steel and typically secured in place with ¼” screw or non-metallic push pin allowing for versatility for use in all kinds of detector applications.