3 Finger Extension Clamp with Swivel Bosshead – Zinc Alloy, Vinyl-Coated Jaws, 3.4" (8.5 cm) Max Opening – Laboratory Retort Clamp for Beakers, Flasks & Test Tubes

Upgrade your laboratory setup with this 3 Finger Extension Clamp with Swivel Bosshead, designed for secure and precise support of glassware and lab apparatus. Built from high-grade zinc alloy with a durable powder-coated finish, this clamp is engineered for long-lasting, rust-free performance in professional, educational, or research environments.

The vinyl-coated fingers provide a firm, slip-resistant grip while protecting delicate glassware from breakage. With a 3.4" (8.5 cm) maximum opening, it easily holds beakers, Erlenmeyer flasks, boiling flasks, burettes, and test tubes. The attached swivel bosshead fits support rods up to 18 mm in diameter, allowing for flexible positioning at multiple angles.

Ideal for professional laboratories, classrooms, and home science projects, this extension clamp combines strength, stability, and versatility to meet your experimental and instructional needs.