E-Case Size:Medium 2 has 12 splines that

2 has 12 splines that are approximately 23

Long-lasting

the KNUCKLEDUSTER also features a tapered internal sleeve that you have to tap onto your handlebar for full engagement

a cleanable filter protector allows on-the-go maintenance

LEASH PORTAL - Leash portal on back is compatible with most harnesses

E-Case Size:Medium 2 has 12 splines thatPerfect for ensuring your everyday essentials stay dry, the E Case delivers submersible protection while maintaining full functionality of touchscreen devices. A slim design makes it easy to slip the case into a pocket or stash it in a bag, while the zip style opening makes it quick and easy to access your essentials. WARNING: Can expose you to antimony trioxide, which is known to the State of California to cause cancer.