A pair of Thorlabs dovetail optical rails of length 450mm and 300mm. Includes several dovetail rail carrier components. Pictures show components that will be shipped to you and includes the following: 1x RLA450/M - Dovetail Optical Rail, 450 mm, Metric. 1x RLA300/M - Dovetail Optical Rail, 300 mm, Metric. 2x RC1 - Dovetail Rail Carrier, 1.00" x 1.00" (25.4 mm x 25.4 mm), 1/4" (M6) Counterbore. 2x RC4 - Dovetail Rail Carrier, 0.60" x 1.00" (15.2 mm x 25.4 mm), #8 (M4) Counterbore.
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