ADM Accessories 75 mm Adjustable Guidescope Ring Set
ADM 75 mm Adjustable Guidescope Rings
Pair of 75 mm finderscope rings with 3/8" aluminum screws with large 1/4" Delrin Tips for adjusting. Thoroughly made of stainless steel and anodized aluminum for maximum longevity. An ideal way to mount a guidescope to large Dobsonian rocker boxes or existing optical tube rings. Each ring features one 1/4x20 TPI hole.