KYOCERA SCMT110410SMIPR1535 DRV Magic Drill 4-Cutting Edge Inboard Positive Rake Indexable Drilling Insert, ANSI Code: SCMT110410SMIPR1535, Square Shape, #110410 Insert, SCMT Insert, 0.1772 in THK, 0.4685 in Inscribed Circle, Manufacturer's Grade: PR1535