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Fisherbrand™ Castaloy™ Two-Prong Extension Clamps

Flat, vinyl- or fiberglass-covered jaws

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Catalog No. 05-769-4Q

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Includes: Vinyl and fiberglass sleeves, extension arm O.D.: 0.43 in. (1.1cm)



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).



1 Ea.
Fiberglass and Vinyl sleeve
20.32 cm
1.5 in.
Extension Clamp
8 in.
3.81 cm


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