Thorlabs - WPLH05M-4500 referenced Ø1/2" Mounted Low-Order Half-Wave Plate, 4.5 μm product produced by high technology. If you need other products from Thorlabs, please send us an inquiry by e-mail. It distinguishes with price and quality among the similar products. Thanks to our large disturbiton network, we offer door delivery in most suitable conditions. Our established relationships with producers from all around the world and their official representatives helps us to meet your needs for spare parts, machinery, consumables and other products of the industrial field.