The Rapid RH® L6 Insertion Tool is newly designed to provide simpler, more ergonomic Smart Sensor insertion for RH testing in concrete slabs with the Rapid RH test method. The new Insertion Tool is a more robust and extraordinarily useful multipurpose insertion tool that allows installers to know when they have a correctly-sized, straight, uniformly round test holes. Multi-stepped and multipurpose, the new insertion tool completely syncs with the current model Total Reader® for complete compatibility with the Rapid RH system.