[1-7 & 8 x 3-1 & 2 inch]
[Four Inch Extension]
[Set- Sixteen Piece]
[1-3 & 8 (35mm) Carbide]
[Set- Five Piece]
[Set- Seven Piece]
Ivy Classic Industries is dedicated to producing a comprehensive, quality line of power tool accessories and hand tools. Ivy Classic Swift bore 4-inch forstner bit extensions extend any forstner shank bit an additional four inches. These extensions are constructed out of high carbon steel and come equipped with two set screws and a hex key.