Sell PickEgg UEETEK Labs Double Concave Optical Lens Glass Lens 300mm Focal Length 10cm DiaDS7 best price

This round double concave optical glass lens is designed for physics and educational uses.Because of their educational use design, there may be minor imperfections that do not affect physical function.This item is manufactured with premium material for durable and long-lasting use.******************************************************************************************************************************************************Our products are very good, the quality is absolutely guaranteed, our products are in stock, we guarantee that our products are (high quality / low price / high quality service) if you find that the price is lower than our price, it must be inferior products, please never buy, otherwise you will regret. Please identify my shop, I wish you a happy shopping!