ThisGitzo 1/4-20″ & 3/8″-16 Reversible Tripod Screwallows you to attach virtually any head to your tripod. Install it in your tripod’s collar with the 1/4″-20 stud on top to attach heads with a corresponding 1/4″-20 thread, and reverse it to accommodate heads with a 3/8″-16 thread. Reviews There are no reviews yet. Be the first to review “Gitzo 1/4-20″ & 3/8″ | 16 Reversible Tripod Screw” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.