Premium Clamp - Two Prong with Bosshead, Clamp constructed of powder coated high grade zinc alloy. Clamp prongs (2) are cork lined, Maximum clamp opening is 11 cm, Swivel between Clamp and Bosshead, Boss accommodates to 18 mm rod, High Strength Alloy Bosshead
Activity Series Chemistry Kit, To determine an activity series for a group of metals and a group of nonmetals, 15 lab groups, Certification: 49 CFR 173. 4