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
Premium Clamp - Four Prong, Clamp with swivel boss head, constructed of powder coated steel, 4 Cork lined clamp prongs attached to aluminum rod. Maximum clamp opening is 10.5 cm, 14 cm Stainless Steel Connecting Rod
Premium Clamp - Two Prong with Bosshead, Clamp constructed of powder coated high grade zinc alloy, 2 vinyl coated clamp prongs attached to stainless steel rod, Maximum clamp opening is 11 cm, Completely metal constructions, Thread fitted actuating joints, 10 mm diameter connecting rod