Centaur Stainless Steel Joint Tom Thumb PelhamEach side of the bit is perfectly balanced to assure total comfort and response. Lost wax cast and hand polished from the highest grade of 18 8 Stainless Steel. Lifetime guarantee against rust. Tom Thumb Pelham Hand polished Lost wax cast 18 8 Stainless Steel Sizes: 4. 5" 5" 5. 5" **Due to the contagious nature of the equine disease EHV 1, and per biosecurity measure guidelines suggested by the American Association of Equine Practitioners, The Farm