5pcs 10-38mm Clear PMMA Flat Convex Acrylic Lens Set for LED Flashlight with Zoom, Bicycle Head Lamp Replacement (5pcsx40.8mm)

【Versatile Size Set】Including 5 pieces clear PMMA flat convex acrylic lenses in sizes 10mm, 15mm, 18mm, 20mm, 23mm, 25mm, 28mm, 29mm, 30mm, 32mm. IN, 35 8 inch and 38mm (one random size per set) Covers a wide range of common diameters for various lantern and lamp applications. 【PMMA Material】Made of durable PMMA (Acrylic) with excellent light transmission and clarity. The Flat convex device effectively focuses and condenses the light beams, improving the brightness and range of your LED flashlight or bicycle headlight. 【Easy to Install & Replace】Designed as a direct replacement lens for LED zoomable flashlights and bicycle headlights. Simply remove the old lens and insert the new one. Manual measurement of the size, 0.3mm error for adjustment. WIDE APPLICATION - Ideal for DIY lantern modifications, repairs or upgrades. Compatible with most zoomable LED flashlights, bicycle headlights and other optical projects that require a flat convex condenser lens. Package Includes:1 Set of 5 Clear Condenser Lenses (Sizes vary by set) Note: Please measure the lens diameter of your device before ordering to make sure the correct size is included in the set.