Category：Prism Lens Set

Product specifications：
Included: 0.5 1 2 3 4 5 6 7 8 9 10 12 14 16 18 20 25 30 35 40 45 50（22 prisms ）& Red Filter
Square prismatic lenses in the Length 37mm and Width 37mm
Dimensions of package: 25.5cm * 14cm * 5.5cm
Weight: 720g