Premium Bosshead - Metal, Industrial Series Mini All Metal Bosshead Clamp, up to 15 mm rods, Threaded metal one piece clamping screws, Holds rods orthogonal (90 degrees) to one another, carry heavy loads and prevent torque damage
Sling Psychrometer, to measure relative humidity, Includes two plastic-backed Celsius thermometers, one for dry bulb measurements and the other for wet bulb measurements, Includes an activity guide with relative humidity calculation table, Requires assembly