Metalab Loose Ring French Link Elevator Bit Size:5 3 4 The Metalab Tom Thumb bit Color:Pewter Green The Metalab Tom Thumb bit offers a jointed mouthpiece and medium length shanks for added leverage Metalab uses the “Lost Wax” procedure instead of the sand mold procedures the Metalab Loose Ring French Link Elevator Bit features three ring elevator cheeks to offer a variety of rein placement options depending on the amount of leverage required The double jointed French link mouthpiece features a short middle link to help reduce pressure on the roof of the mouth and can help to lessen the ‘nutcracker’ effect on the lower jaw