Prism Bar Set (2 UNITS) model INS-11057.

It includes a horizontal and a vertical prism bar and two additional prisms of 45 and 30 diopters.

Aluminum case

Veritcal prism bar with the following diopters: 1 / 2 / 3 / 4 / 5 / 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 / 25D and an additional prism of 30D.

Horizontal Prism Bar with the following diopters: 1 / 2 / 4 / 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 / 25 / 30 / 35 / 40D and an additional prism of 45D.

Dimensions: 14 1/2 x 3 1/2 x 2 in / 36x8x5cm

Weight: 5lb / 2.26kg