4-Prong Vinyl Coated Lab Clamp with Stainless Steel Rod – Adjustable 4.1" Opening | Laboratory Flask & Test Tube Holder

Secure your glassware with confidence using this 4-Prong Vinyl Coated Lab Clamp with Stainless Steel Rod. Built from industrial-grade zinc die-cast construction with a durable, non-toxic powder coating, this clamp is rust-free, non-ferrous, and designed for long-lasting performance in laboratory and educational settings.

The vinyl-coated prongs provide a firm, slip-resistant grip while protecting glassware from scratches or breakage. With a maximum opening of 4.1" (10.5 cm), the clamp easily accommodates a wide range of apparatus, including beakers, Erlenmeyer flasks, test tubes, burettes, and boiling flasks.

Attached to a 5.5" stainless steel rod (10mm diameter), this clamp is designed for secure attachment to a retort stand or frame (requires boss head holder, sold separately). The screw adjustment mechanism allows precise pressure control, ensuring delicate glassware remains safe during experiments. The 360° rotation feature and adjustable extension arm provide flexibility in positioning, making it ideal for complex lab setups.

Perfect for professional laboratories, science classrooms, and even home laboratories, this clamp is a reliable tool for holding glassware securely in place during heating, titration, or other experimental procedures.