WEAR RINGS THAT ARE MADE FROM FIBERCOMP MATERIAL.THEY SLOT INTO A GROOVE IN TOOLING AND THIS PROTECTS THE TOOLING FROM EXCESSVE WEAR. MANY DIFFERENT SIZE RINGS ARE UISED. THESE PRODUCTS ARE MANUFACTURED FROM 30% CARBON/PTFE FILLED POLY ETHERETHERKETONE (PEEK)

GENERAL INTERPRETATIVE RULES 1, 3(b) & 6; TEXT TO CODES 3926 AND 3926 90 97 90