These aren't fancy, but they are light weight, adjustable and inexpensive. Four sizes fit different rods and different numbers of rods. Small fits the Suntech Genryuko, Shimotsuke Kiyotaki, Keiryu-X, Pocket Mini and the Nissin tanago rods. It is 1 1/8" in diameter and is adjustable from 12 to 18".
Please note: THE SMALL CASE IS ONLY FOR THE GENRYUKO, TANAGO KORO, HINATA, KIYOTAKI, KEIRYU-X, POCKET MINI AND SASUKE RODS. IT WILL NOT FIT ANY OTHER ROD.