Rotating mount for XPP-5418 Series and NSP-2420 Series lights specifically designed to fit both European MSA Fire and Search & Rescue (SAR) helmets that already include the optional MSA torch lamp holder bracket accessory. The NS-HMC8B slides into the holder slot and is held securely in place with an adjustable Allen screw (wrench included). The light ratchets up and down 45-degrees for ideal light placement.