2PCS Double Concave Lens High Optical Purity Double Concave Glass Lens
$ 6.99
DescriptionThis item is a kind of scientific experimental apparatus. It is made of glass material, which is safe and durable to use. It could be used in classroom, laboratory and school. The package include one cylindrical biconcave lens and one equilateral triangle lens.Features-Color: As Shown -Material: glass -Size: 6.00X5.00X1.00cm 2.36X1.97X0.39inch - The products are sold together for more convenient use. - The product is well polished and does not hurt hands when used. - The product is of good material and durable. - Simple and generous product design. - The product can effectively explain the knowledge of optics with experiments.
