The CLB-2070-60PM from Laser 2000 (UK) Ltd. is a Optical Lens with Wavelength Range 400 to 700 nm, Focal Length 6 cm(60 mm), Center Thickness 4 mm, Radius 3.114 cm(31.14 mm), Edge Thickness(ET) 2.4 mm. More details for CLB-2070-60PM can be seen below.