Nickel-plated zinc. These clamps are used to hold apparatus near the lab frame where no adjustment is required after set up.

• With two or three prongs
• Can be used as a single burette holder
• Built in holder grips rods up to 19 mm Ø
• With non-slip vinyl sleeves
• Suitable for temperatures above 100 °C (212 °F)

Fixed position clamps have an integral holder but can be rotated after attachment to a lab frame or other apparatus.