These bits are long enough for core drilling doors, drilling at (install) sites for running wiring in walls and crawl spaces
1/4″ x 24″ Flex Bit
FB-14X24
3/8″ x 24″ Flex Bit
FB-38X24
1/4″ x 36″ Flex Bit
FB-14X36
3/8″ x 36″ Flex Bit
FB-38X36
1/4″ x 48″ Flex Bit
FB-14X48
3/8″ x 48″ Flex Bit
FB-38X48