Nathe 18mm Double Jointed +Stainless Steel Ring Eggbutt Bit Colour:Thermoplastic With its blend of style Eggbutt With its blend of style and functionality UNISEX SIZING: Overview of the advantages" made of high quality Thermoplast" for satisfaction and motivation on sensitive and mouth sensitive horses" excellent tolerance anti allergic" food safe solvent free no plasticisers" smooth surface no eraser effect" temperature neutral high flexibility when cold" dimensionally stable high mechanic resistance" steel core in Standard bits (except size 110 mm)" side parts made of high quality stainless steel" Made in Germany Nathe Eggbutt bit 18 mm double jointed mouth and tongue friendly joints made of anti allergic plastic lies steady in the horse's mouth no slipping through ideal for allergy sufferers since completely made of plastic direct impact on tongue and lower jaw due to fixed cheeks