Telescope Guide Ring Riser Blocks Spacers Sturdy Simple Assembly Accessories Black 50 mm

[Feature]Built in grooves for mounting on the dovetail rails and aluminum material ensures light weight and enhanced durability [M6 and 1/4“ Holes]The holes can accomodate M6 and 1/4" screws [Metal Material]Metal Riser Block for Telescope Refractor Ring is made of aluminum alloy , lightweight and sturdy structure [M6 and 1/4“ Screws]Provide M6 and 1/4“ long and short screws for telescopes rings and dovetail plate from different brands [Function]The risers lift your entire telescope and increase the clearance above the dovetail bar , balancing the entire system on the mount