Thermometer Clamp-EIS-CH0667A offers a thoughtfully designed, durable resource for hands-on learning. Includes: (1) Thermometer Clamp Adjustable 360° jaw rotation. For attaching to support rods up to 16 mm in diameter. Will accommodates thermometers 6 to 12 mm in diameter. The clamp is die casted with thumbscrews & jaws are made of phospher-bronze. Overall Length 140 mm.