YakAttack TetherTube Rod Holder (2-Pack). Includes the integrated hook and tether. Compatible with spinning and castingrods. Hardware included. Only compatible with the BlackPak Pro, not the classic BlackPak. Made from marine grade polymers. Covered by the Built for Life Guarantee. TetherTube makes it a breeze to insert your rods and helps lock in your casting and spinning reels keeping them aligned and ready.