T-Max Inserts Sandvik Part No. 175 32 301940 25 M 3015, WIDIA Part No. LNUX 301940 Grade TN 2000 INDICARB PART No. LNUX 301940TT 2500 or Equivalent. Minimum turn of 45 wheel sets per insert in practical trial . ( Only OEM or Authorized Dealer Accepted ).(Trail Run is required at Inspection Stage) Warranty period: 30 month from the date of supply. .