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
Premium Clamp - Three Prong with Bosshead, Vinyl Coated Extension Lab Clamp, 8.5 cm maximum clamp opening attached to High Strength Alloy swivel bosshead, Boss accommodates to 18 mm rod
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
Premium Clamp - Four Prong with Bosshead, Clamp constructed of powder coated high grade zinc alloy, Clamp prongs (4) are vinyl coated, Maximum clamp opening is 10.5 cm, Swivel between Clamp and Bosshead, Boss accommodates to 18 mm rod, High Strength Alloy Bosshead