* Burch Driving Bit made of quality Stainless Steel ~ WBT0116 * Burch Driving Bit made of quality Stainless Steel * This overcheck style bit features a closed Mullen Mouth Style. Mouthpiece Style : Mullen Mouth Mouthpiece Material : Stainless Steel Mouth size : 3" to 6" Mouth thickness : 6mm This bit is made of quality stainless steel for durability