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

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