Premium Clamp - Three Finger with Bosshead, Clamp constructed of powder coated high grade zinc alloy, 3 finger vinyl coated clamp attached to swivel bosshead, Maximum clamp opening is 8.5 cm, Swivel between Clamp and Bosshead, Boss accommodates to 18 mm rod
Watch Glass/ Cover Lid for Beakers and Flasks/ Evaporation Dish, Polished with Ground Edges for safe handling, Material: glass, Quality glass, The 2.0mm glass thick construction resists shattering, Can hold small samples to use under a low-power microscope, 3.5in (9cm) in diameter