Double Concave Lens, 500mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs auspowers_batchfour Tungsten carbide bit - Cylinder translate B09LM9WNNP Color:Yellow (Freeze Upon Arrival) Specifications Main material polyester
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Ships within 48 hours · Estimated delivery Oct 10 - Oct 15