4-Prong Vinyl Coated Clamp with Swivel Bosshead – 4.1" Max Opening, Heavy-Duty Zinc Alloy, Rust-Free Laboratory Clamp

Upgrade your lab setup with the 4-Prong Vinyl Coated Clamp with Swivel Bosshead, designed for secure, versatile, and long-lasting performance in laboratory, research, and classroom environments.

Crafted from high-grade zinc alloy with a durable, non-toxic powder coating, this clamp resists corrosion and delivers industrial-quality reliability. The vinyl-coated prongs provide a firm, slip-free grip while protecting delicate glassware, minimizing breakage during experiments.

The integrated swivel bosshead allows easy adjustment and positioning, accommodating rods up to 18 mm in diameter. With a maximum opening of 4.1 inches (10.4 cm), this clamp can securely hold a wide range of laboratory apparatus, including beakers, Erlenmeyer flasks, Florence (boiling) flasks, burettes, and test tubes.

Perfect for professional laboratories, science classrooms, and at-home experiments, this clamp ensures precise, stable, and safe handling of glassware under demanding conditions.