Amlong Crystal Premium Optical Glass Double Convex and Concave Lens Set, 50mm Diameter, 3 Double Convex (20, 30, 50cm FL) and 3 Double Concave (20, 30, 50cm FL), 6 Piece Set 50mm (2-Inch) 6-pack sold2025 Comes with storage box

Comes with storage box

ULTIMATE WEATHER RESISTANT: Tested to work in temperatures ranging from -40C to +80C

Forward thinking design concepts ensure product usefulness for generations to come

air grinders and other power tools

This double-side foam tape can be used on most of walls

Amlong Crystal Premium Optical Glass Double Convex and Concave Lens Set, 50mm Diameter, 3 Double Convex (20, 30, 50cm FL) and 3 Double Concave (20, 30, 50cm FL), 6 Piece Set 50mm (2-Inch) 6-pack sold2025 Comes with storage boxAmlong Crystal Premium Optical Glass Double Convex and Concave Lens Set, 50mm Diameter, 3 Double Convex (20, 30, 50cm FL) and 3 Double Concave (20, 30, 50cm FL), 6 Piece Set Product Features High Accuracy and Precision Made from High Grade Optical Glass