Kit for upgrading an original mast section to the new top mast system for the RS Tera. This upgrade extends the mast by moving the join point further up the lower section. Kit includes clevis pin, split ring, and installation instructions. Drill required for installation. Instructions: https://www.rssailingstore.com/files//46a91039-bb7c-4dd2-b9b0-a75100ceedbf/RS%20TERA%20Retrofitting%20new%20Top%20mast%20system%20to%20original%20Lower%20mast.pdf