Accurately test for acuity when rotated 8 to 10 RPMs at different reading distance. 10″ long and 8″ diameter.
Product ID OKN-D
Accurately test for acuity when rotated 8 to 10 RPMs at different reading distance. 10″ long and 8″ diameter.
Product ID OKN-D
| Weight | 4 lbs | 
|---|---|
| Dimensions | 20 × 14 × 9 in | 
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