PEERCHEER offers HMLC NMLC surface set reaming shell use for use with NMLC HMLC core barrels. NMLC HMLC surface set reaming shell have pads of tungsten carbide ,TSD pins or diamond stones.Each pad is protected with tungsten carbide strips or TSD pins on both the leading and trailing edges to help protect gauge and improve life.MLC series surface set reaming shell is available for application in DCDMA N H size.