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 Prong with Bosshead, Made of high grade zinc alloy and powder coated alloy with all metal adjustment screws, 3 Vinyl Coated Clamp Fingers, 6 cm maximum clamp opening, Bosshead accepts up to 18 mm rods