【Ultra-Long 2-Pack Set】12” & 18” Extensions for Hard-to-Reach Spots, includes both 12-inch and 18-inch extensions to tackle deep drilling in tight spaces, corners, and awkward angles—perfect for cabinetry, furniture making, and DIY projects.

【Universal 3/8" Hex Shank Compatibility】– Fits Most Forstner Bits & Hole Saws. Works with standard 3/8" hex shank Forstner bits (or slightly smaller) and fits most rotary tools, ensuring flexibility across woodworking and drilling applications.

【Secure Grip, Zero Wobble】Dual Hex Screws for Maximum Stability
Features one hex key screw to lock the bit firmly in place, reducing torque loss and preventing slippage during use. Includes an Allen key for quick adjustments.

【Heavy-Duty Carbon Steel Construction】Built for Long-Lasting Performance.Made from high-carbon steel for superior strength and durability, resisting wear and tear even under heavy-duty drilling tasks.

【Versatile & Time-Saving】Eliminates the need for multiple extensions—switch between 12” and 18” lengths for different depths. Compatible with most Forstner bits on the market, saving time and effort, ideal for Professionals & DIYers.