5 inch Cheeks, 5 inch Mouth. 7/16 inch Smooth Sweet Iron Snaffle. It helps to get your horse's legs underneath him and his rear end down. The short gag action collects a horse very well. The smooth sweet iron snaffle mouthpiece is our most popular and is light enough to pull young colts around without damaging their mouth. LIFETIME GUARANTEE provided by Manufacturer - REINSMAN.