Centaur Jointed Rubber Loop Ring Gag Bit Centaur Sale! from $ 49.99 Qty. Add to Cart Qty available: 1 This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Each 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.