Flat, vinyl- or fiberglass-covered jaws Hold beakers and flasks firmly at any angle, variable distance from support
One jaw is fixed, other opens against a stainless-steel compression spring Opening is gradual to maximum angle, without binding Noncorrosive Easy-to-clean clamps are nickel-plated zinc with seamless brass extension tube, brass compressing screw, and pivot pin Without clamp holder Castaloy clamps and holders should not be subjected to direct flame or other intense heat sources
At continuous temperatures in excess of 150°C (302°F), some significant distortion can occur
Fiberglass sleeves are recommended for all applications above 100°C (212°F).