PATIKIL Diameter 10.3mm Height 4.2mm Flat Convex Lens, 10 Pcs Acrylic LED Optical Convex Condenser Lens for LED Flashlight Bike Head Lamp, Transparent Electric Space Heaters or measurements on the tape

or measurements on the tape with pens

Used at home

LONG-LASTING DURABILITY: Powder-coated steel resists rusting

Smooth walls inside the drive end and a detent pin hole make the sockets compatible with both drive tool anvil types

PATIKIL Diameter 10.3mm Height 4.2mm Flat Convex Lens, 10 Pcs Acrylic LED Optical Convex Condenser Lens for LED Flashlight Bike Head Lamp, Transparent Electric Space Heaters or measurements on the tapeAbout this item Color: Transparent; Material: PMMA (Acrylic ); Shape: Flat Convex; Lens Outer Diameter: approx. 10. 3mm 0. 41inch; Lens Height: 4. 2mm 0. 17inch; Packing List: 10 x LED Optics Flat Convex Condenser Lens Advantage: Made of PMMA (Acrylic) material, it is high temperature resistant, not easy to age, and has high light transmission. The beam spots irradiated through the optical lens are uniform, without black holes, shadows, or dark areas.