This 3-prong, double adjustable clamp features a non-slip vinyl-coated grip, swivel bosshead, and compatibility with large rods up to 21 mm.

• High performance, die casted metal retort clamp, suitable for holding irregular shaped items
• The clamp features three, vinyl coated prongs that are specifically designed for maximum traction and grip
• Clamp features adjustable thumbscrews on both sides, allowing for a wider range of accommodation
• Clamp is attached to swivel bosshead that fits rods measuring up to 21 mm in diameter
• Designed for use in professional laboratories, but is an ideal choice for science classrooms

This jumbo size, universal clamp is designed to hold irregularly shaped items. The three, vinyl coated prongs provide a firm grip. The jaws are adjustable on both sides with thumbscrews for a wide range of accommodation. Clamp can hold objects up to 58 mm (2.3") wide. Overall length is 8".