This Myler bit is perfect for performance horses with advanced training and a solid disposition or experience trail horse with a trustworthy nature. Features a 5 inch low medium wide ported barrel that offers maximum tongue relief. This is the mildest mouthpiece with independent side movement. 7inch flat stainless steel shanks. Mouthpiece is made of sweet iron with a copper inlay. This mouthpiece will naturally oxidize, or rust. Harmless to horses, it has a sweet taste and promotes salivation. 5inch stainless steel HBT shanks. Myler Level 3 mouthpiece.