This extension clamp holds glass tubing or thermometers securely but gently. Adjustments are made easily with one hand using the wing nut. Clamp opening extends from 6 mm to 16 mm. Jaw width is 15.5 mm. Includes a stainless steel rod that is 15 cm long with a diameter of 10 mm. Overall length is 20 cm. Requires a right-angle clamp to connect to a support rod.

• All stainless steel construction
• Holds glass thermometers firmly but gently
• Easily adjust tension with the included wing nut