HIGH QUALITY || This ultimate laboratory starter set includes retort base made of corrosion resistant, powder coated steel, a stainless steel rod featuring a 10mm x 1.5mm metric thread, 2 support rings, a double burette clamp, a two-prong adjustable clamp, a three-prong adjustable clamp, a tripod stand, burner tubing, wire gauge, a bosshead, and a Bunsen burner COMPLETE KIT || Includes everything necessary to start a basic chemistry experimentation lab TAPPED HOLE AND THREADED ROD || Base features a tapped hole, which fits the included rod, and can accommodate other rods with a 10mm x 1.5mm metric thread GREAT FOR CLASSROOM & HOME LABORATORIES || The durable and sturdy construction of this set makes it an excellent choice for science classrooms, household laboratories & basic professional laboratory setups MANUFACTURED BY EISCO LABS || Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control. Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind