Standard Adjustable box A separate internal box with 3 internal dividers that allow the user to configure the box from one internal space up to 4 equal internal spaces. Perfect for storing all manner of end tackle components. XL Adjustable box A separate internal box with 4 internal long dividers and 3 short dividers that allow the user to configure the box from two internal spaces up to 9 internal spaces. Perfect for storing all manner of end tackle components.