Premium Clamp - Three Finger with Bosshead, Clamp constructed of powder coated steel, 3 finger rubber coated clamp attached to swivel boss head. Maximum clamp opening is 8.5cm, Boss accommodates to 18mm rod
Premium Bosshead - Heavy Duty, Industrial Series Heavy Duty Powder Coated Bosshead for rods up to 16 mm, Thicker than normal 7 mm threaded clamping screws, Thicker casting to support more load, Accepts up to 16 mm rods, Made of high strength powder coated alloy
Premium Lab 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