This product incorporates the two best lengths and the best diameter for most casting rods.Diameter: It has the perfect fit for casting rods that is not too big and not too small. The expandable diameter of 5/8" to 1 5/8" allows you to slide this Rod Glove easily over your casting rods.No more fighting the sleeve over the last line guide. This style of Rod Glove is the nicest fit for casting rods on the market today.This Rod Glove covers 63" of rod.