Heavy-duty shank for maximum durability. Hex shank prevents slipping and fits all 1/4 in quick change systems. Used for bit storage and wire pulling.

For all wood bits with 1/4 in round shanks, three flats on shank. Follows 5/8 in and larger bits through hole. Heavy-duty, double set screw type, adds 6 to 12 in to regular bit lengths. Forged of finest quality tool steel. Allen wrench included.

Carbon steel construction sleeve and body. Jaw design holds bits securely on 6-flatted shanks, as well as ball detent bits and the 1/4" Quick Change range now holds insert bits; magnetic for holding. Lock-n-Load system for one handed quick release.

Heavy-duty shank for maximum durability. Hex shank prevents slipping and fits all 1/4 in quick change systems. Used for bit storage and wire pulling.

The 1/4 in Universal QUIK-LOK? extension has an innovative design that fits all 1/4 in shanks - with or without a power-groove. The unique design requires no tools to change out bits, making it fast and efficient.

Daredevil? spade bits are designed for professional users seeking speed, ease of use and hole quality. A full cone threaded tip pulls the bit through the material with less effort and vibration than other spade bits. The contoured paddle delivers faster chip removal; hex shank with power groove reduces slippage. Up to 10X faster than conventional spade bits.

Carbon steel construction sleeve and body. Jaw design holds bits securely on 6-flatted shanks, as well as ball detent bits and the 1/4 in quick change range now holds insert bits, magnetic for holding. Lock-N-Load system for one handed quick release.

Irwin Speedbor Wood Boring Bit Extension, Shank Size: 1/4 in, HSS, 12 in L

Carbon steel construction sleeve and body. Jaw design holds bits securely on 6-flatted shanks, as well as ball detent bits and the 1/4 in quick change range now holds insert bits, magnetic for holding. Lock-N-Load system for one handed quick release.

The 1/4 in Universal QUIK-LOK? Extension has an innovative design that fits all 1/4 in shanks - with or without a power groove. The unique design requires no tools to change out bits, making it fast and efficient.

The 1/4 in Universal QUIK-LOK? extension has an innovative design that fits all 1/4 in shanks - with or without a power-groove. The unique design requires no tools to change out bits, making it fast and efficient.

Carbon steel construction sleeve and body for durability and life. Lock-n-Load system for one-handed quick release. Jaw design holds bits securely on 6-flatted shanks, as well as ball detent bits. The 7/16 in quick change range now holds insert bits, magnetic for holding.

The 7/16 in Universal QUIK-LOK? extension has an innovative design that fits all 7/16 in shanks - with or without a power-groove. The unique design requires no tools to change out bits, making it fast and efficient. These new extensions are impact rated for maximum durability.

The 7/16 in Universal QUIK-LOK? extension has an innovative design that fits all 7/16 in shanks - with or without a power-groove. The unique design requires no tools to change out bits, making it fast and efficient. These new extensions are impact rated for maximum durability.

The 7/16 in Universal QUIK-LOK? extension has an innovative design that fits all 7/16 in shanks - with or without a power-groove. The unique design requires no tools to change out bits, making it fast and efficient. These new extensions are impact rated for maximum durability.

Daredevil? spade bits are designed for professional users seeking speed, ease of use and hole quality. A full cone threaded tip pulls the bit through the material with less effort and vibration than other spade bits. The contoured paddle delivers faster chip removal; hex shank with power groove reduces slippage. Up to 10X faster than conventional spade bits.