Vintage laboratory clamp sets made by Fisher Scientific Castaloy, USA. This lot includes 2 sets, each consisting of: • Fisher Castaloy lab stand clamp holder • Adjustable 3-prong laboratory clamp with rubber-coated jaws Designed to attach to a laboratory support stand and hold glassware such as flasks, beakers, or test tubes. Features: • Cast metal construction • Adjustable angle joint • Rubber-coated prongs to protect glassware • Marked Fisher USA / Castaloy Condition: Good used condition with normal signs of age and use. All screws move freely. Great for chemistry labs, schools, collectors, or workshop use. Please see photos for details.