Square Boss Head Clamp, Die-Cast Alloy, up to 16mm Rods Geology_Geology Charts & Models each foam-protected in a wooden

each foam-protected in a wooden case with frequencies labeled

Tool-free 5-minute assembly to a 21-inch height puts ripple-tank wave behavior - reflection

iron nickel-plated hangers

Six-piece polypropylene beaker set spans 50mL to 2000mL for complete classroom and lab volumetric workflows without glass breakage risk

Entry-level two-part human skull model separates the skull cap to reveal the cranial cavity for introductory head-anatomy teaching at secondary and college levels

Square Boss Head Clamp, Die-Cast Alloy, up to 16mm Rods Geology_Geology Charts & Models each foam-protected in a woodenSquare die cast alloy boss head with metal thumbscrews, gripping square or round rods up to 16 mm and accommodating flat articles like rulers and drawing boards.