Easy to construct the three dimensional model of DNA. Emphasizing the base pair sequence and function of DNA, the sturdy, colorful bases snap together in the correct sequence, and the pairs attach to a center rod representing hydrogen bonds.
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