Exotic Nutrition's Sandy Trimmer Track fits into the Silent Runner 12" small wheel for nail trimming use.

MEASUREMENTS: This track is used by inserting into Exotic Nutrition's Green Silent Runner 12" Wide exercise wheel only. Will not fit other pet exercise wheels. Track has 12" diameter and is 3" wide.

FEATURES:
✔ SAFE - This is a glider-safe plastic track, with soft abrasive material permanently bonded to it. 
✔ LOW MAINTENANCE - The track is washable for easy maintenance. 
✔ EASY - It takes less than a minute to simply install the Sandy Track in place of the regular Silent Runner Track.
✔ EFFICIENT - This track has a soft sand abrasive interior finish. Your pet's nails are trimmed automatically as they run in a Silent Runner Wheel. 
✔ SIMPLE - Place the wheel in your pets cage for 24-36 hours to trim their nails during use. 
✔ REUSABLE - Lasts the lifetime of your pet.

NOTICE: It may be necessary to initially trim pet's nails with clippers then maintain the nail through frequent use of the sandy track. Please note that the Clear Connectors used to attach both sides of the track to each other are not included.  

**Assembly instructions on manufacturer's website (Exotic Nutrition) and YouTube (search "Silent Runner Wheel Assembly").