Check the listing for details. 8 Set 20mm 25 Degree Acrylic Optical LED Lens with White Holder for LED Light. Condition: New. Listed at 10.82 USD. These led lenses have different beams, which help to focus the light into a tight spot. Widely used for LED spotlights, automobile lights, DIY projecting lamps, etc.SpecificationColor: White, TransparentMaterial: Optical Acrylic Lens(Transparent), ABS Plastic Holder(White)Size: Lens: 20 x 11mm/0.79 x 0.43 inch (Dia.*H); Holder: 21.8 x 13.5mm/0.86 x 0.53 inch (Dia.*H)Lens Angle: 25 DegreePacking List: 8 Sets, including 8 x 25 Degree Lenses, 8 x Lens HoldersAdvantageComposed of an acrylic optical lens and ABS plastic holder, anti-corrosion, anti-cracking, durable, and long service life.InstructionAfter selecting the LED lens angle, install the LED chip, lens, and holder and fix them in turn.NoteLED Chips are not included.Please cut off the power before install.