Keyseat Cutter-Corner Radius .375" (3/8)Cutter DIAx.02" Radius x.125" (1/8)Wx.562" (9/16)Neck L, Harvey Tool, Mfr#: 776550

0.3125" (5/16) Cutter DIA x 0.0200" Radius x 0.0930" (3/32) Width x 0.4680" (15/32) Neck Length CarbideCorner Radius Standard Keyseat Cutter, 6 Flutes