Professional's Choice Derby Bit 6 3/4" Shank with Twisted Low PortProfessional's Choice Derby Bit 6 1 2" Shank with Twisted Low Port Mouthpiece Width: 5" Bar Width: 3 8" Purchase: 3 1 2" Shank: 4" Cheek: 7 1 2" Port Height: 1" Width: 1 1 2" Gag: 1" This fixed cheek leverage bit is well suited for a finished horse. This shank creates lateral flexion and provides hip control which allows the horse to maintainbalance while keeping their shoulders elevated during turns. The twisted wire is more effective on the bars and