Stainless Steel Thickness: 1.6cm Ring Width:7cm... inoxThe new anatomically shaped stainless steel bits from Waldhausen fit snugly in horses' mouths. Thanks to the excellent positioning in the mouth and the consistent pressure applied to the tongue, acceptance is encouraged. The anatomical bits from Waldhausen allow for precise hand action and action on the tongue.Thickness: 16 mm, Rings: Ø 7 cm