Cross Cylinder Set (0.25 & 0.50)
(product code: CCS2)
Two Cross Cylinders ± 0.25 and a ± 0.50
Marked with red (minus) & black (plus) and relevant power.
4 white dots allow easier allignment of axis
Comes in packaged wooden case.
£23
Delivery within 2-5 working days.
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