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 Bosshead - Square Head, Industrial Series Classic Die Cast Alloy Bosshead, up to 15 mm Rods, Threaded metal one piece clamping screw, Holds rods orthogonal (90 degrees) to one another
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 Bosshead - Metal, Industrial Series Mini All Metal Bosshead Clamp, up to 15 mm rods, Threaded metal one piece clamping screws, Holds rods orthogonal (90 degrees) to one another, carry heavy loads and prevent torque damage