The AJ Tack Tom Thumb Copper Port with Roller Correctional Bit is designed to provide enhanced communication and refined control. Featuring a 5" swivel copper correction mouthpiece with a 2" port and a copper roller, this bit encourages salivation and responsiveness while offering tongue relief. The 6 3⁄4" stainless steel cheeks provide moderate leverage, making it a great option for experienced riders working with seasoned horses. Features: Correctional Mouthpiece: 5" copper swivel correction mouth with a 2" port for added control. Copper Roller: Encourages salivation and bit acceptance. Moderate Leverage: 6 3⁄4" stainless steel cheeks enhance communication and responsiveness. Durable Stainless Steel Construction: Ensures longevity and resistance to rust.