104pcs Colorful Progressive Lens Ophthalmic Trial Lens Set Lens case Metal Rim This lens trial kit with 104 pcs of lenses inside, including 72 pcs of sphere lenses,24 pcs of cylinder lenses,4 pcs of prism,4 pcs of accessories. Spheres: 18 pairs each of concave and convex 0.25D to 2.00D in 0.25 steps 2.50D to 4.50D in 0.50 steps 5.00D to 8.00D in 1.00 steps 10.00D Cylinders: 6 pairs each of concave and convex 0.25D to 1.00D in 0.25 steps 2.00D to 3.00D in 1.00 steps Prisms: 2 pieces 0.5 , 1.0 BL, RF, PL Cross cylinder 1 piece: 0.25 or 0.5   Packing Size and Weight   Dimension: 39*27*9 cm Packing size: 40*29*10 cm Gross weight: 3.8 kg Ring Material Metal Case Material Aluminum Case Sphere 18 pairs each of concave and convex Cylinder 6 pairs each of concave and convex Prism 2 pieces Accessories 6 pieces