This is record Autodesk.AutoCAD.GraphicsSystem.LineWeight.

Public Enum LineWeight
  kLnWt000 = 0
  kLnWt005 = 5
  kLnWt009 = 9
  kLnWt013 = 13
  kLnWt015 = 15
  kLnWt018 = &H12
  kLnWt020 = 20
  kLnWt025 = &H19
  kLnWt030 = 30
  kLnWt035 = &H23
  kLnWt040 = 40
  kLnWt050 = 50
  kLnWt053 = &H35
  kLnWt060 = 60
  kLnWt070 = 70
  kLnWt080 = 80
  kLnWt090 = 90
  kLnWt100 = 100
  kLnWt106 = &H6a
  kLnWt120 = 120
  kLnWt140 = 140
  kLnWt158 = &H9e
  kLnWt200 = 200
  kLnWt211 = &Hd3
  kLnWtByBlock = -2
  kLnWtByLayer = -1
  kLnWtByLwDefault = -3
End Enum

public enum LineWeight {
  kLnWt000 = 0,
  kLnWt005 = 5,
  kLnWt009 = 9,
  kLnWt013 = 13,
  kLnWt015 = 15,
  kLnWt018 = 0x12,
  kLnWt020 = 20,
  kLnWt025 = 0x19,
  kLnWt030 = 30,
  kLnWt035 = 0x23,
  kLnWt040 = 40,
  kLnWt050 = 50,
  kLnWt053 = 0x35,
  kLnWt060 = 60,
  kLnWt070 = 70,
  kLnWt080 = 80,
  kLnWt090 = 90,
  kLnWt100 = 100,
  kLnWt106 = 0x6a,
  kLnWt120 = 120,
  kLnWt140 = 140,
  kLnWt158 = 0x9e,
  kLnWt200 = 200,
  kLnWt211 = 0xd3,
  kLnWtByBlock = -2,
  kLnWtByLayer = -1,
  kLnWtByLwDefault = -3
}