18 Inch Forstner Bit Extension for 3/8" Round Shank, Hole Saw Extension Chuck, for Adding Over 16-1/4 inches of Drilling Depth

18 Inch Forstner Bit Extension for 3/8" Round Shank, Hole Saw Extension Chuck, for Adding Over 16-1/4 inches of Drilling Depth

• Ultra Long 18" Extension: Helps reaching awkward, difficult corners in your projects.
• Versatile: Round shank support forstner bits with shank diameter of 3/8” or slightly smaller. Compatible with various rotary tools
• Secure: 2 hex key screws securely fit shank in place, reducing torque loss. Allen key for adjustment is included.
• Durable: High carbon steel cast body with great structural strength.
• Compatible with most forstner bits on the market.