PATIKIL 2" (50mm) Focal Length Double Convex Lens, 3 Pcs 30mm Diameter 5mm Height Glass Optically Polished Round Edges Lens for Physics Experiment, Clear industrial Its fasteners along the sides industrial_Aug2024_update Style:6PCS-grit 1000 1200 1500 2000 2500 3000 Will not break easily B079G8GRDF
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Description
PATIKIL 2" (50mm) Focal Length Double Convex Lens, 3 Pcs 30mm Diameter 5mm Height Glass Optically Polished Round Edges Lens for Physics Experiment, Clear industrial Its fasteners along the sides industrial_Aug2024_update Style:6PCS grit 1000 1200 1500 2000 2500 3000 Will not break easily B079G8GRDF Its fasteners along the sides ensures the perfect fit and keep your arms dry in rain NOTE: Probes are advice NOT to immerse in any liquid other than pool or spa water