• Set includes 1/4" Professional Quick Change Chuck, 3/8" Shaft Adapter and a 6" #2 Square Drive Extension for driving pocket screws.

Insty-Bit® 1/4" Professional Quick Change Chuck

• Will accept any 1/4" (6 mm) hex shank accessory.
• True one-handed operation, simply push the bit into the chuck.
• Safety Hold Mechanism prevents tools from falling out when chuck is in release position.
• Quick change hex shank optimizes drill torque
• Fits all keyed and keyless chucks
• Works in all corded and cordless drills.

Insty-Bit® 3/8" Shaft Adapter

• 1/4" shank clicks into Quick Change Chuck with a snap!
• Sleeve holds drill bit with hardened, no-slip allen screws.
• Works with all cordless screwdrivers and standard power drills.
• 2500 RPM Maximum.

6" #2 Square Drive Extension

• Square Drive Bit won’t strip out.
• Power Groove keeps the bit firmly in the chuck.
• Works with all cordless screwdrivers and standard power drills.