Chemistry Lab Starter Set, Includes Base and rod, double burette clamp, 75 and 100mm rings, 2 and 3 prong clamps, Boss head, tripod stand, Bunsen burner, tubing 150 mm wire gauze.
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
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