William Optics Riser Block for 51mm Ring (M-BK51-BL)

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William Optics Riser Block for 51mm Ring Riser block for redcat 51 ring. Rises the telescope of 20mm. Fits Cat 51, MIniCat, and Z-61 telescope ring. Technical Specifications Specif ication Value Length 65 mm Width 38 mm Height 20 mm Telescope Cat-51, MiniCat, Z-61 In the Box Riser Block for 51mm Ring Warranty & Manuals Manual, Spots and Size Diagrams William Optics Warranty Show more