"The design used by Bert's Custom Tackle Starter Kit with 4 Rod Holders and 2 Tracks is trusted by charter boat captains and hobbyists all over the world. Kit features 4 ratcheting rod holders and two 17"" mounting tracks to set up your boat for your next fishing adventure. Rod holders feature 5 vertical ratcheting positions for 90 of motion, and their egg bases allow the rod holders to rotate 70 horizontally. Includes mounting hardware. Mfrs. limited lifetime warranty. Trusted by charter boat captains and hobbyists around the world 4 ratcheting rod holders and two 17"" tracks 5 vertical ratcheting positions 90 of vertical motion 70 horizontal rotation Includes mounting hardware"