3 Solid Centre or Irwin Pattern Brace Dowel Bits
A scarce group of three solid centre or Irwin pattern brace dowel bits.
An unusual pattern for a dowel bit.
Sizes 3 (3/16"), 5 (5/16") and 6 (3/8").
Each is marked with the size number on the tang.
No obvious maker's trade marks.
Between 45/8 and 47/8 inches overall length.