Neoprene Foam Grip Sheath 5 1/2" L, 1/4" ID, 1/4" wall (140mm L, 6mm ID, 6mm wall) - Black This straight foam tube is designed for durability and flexibility. The material allows for some stretch and a snug fit. Measurements are approximate: 5 1/2" L, 1/4" ID, 1/4" wall (140mm L, 6mm ID, 6mm wall)