2PCS 4.5" & 7" Long Extra Drill Bit Extension Set Compatible with Forstner, 5-3/4" and 3-1/4" Drilling Depth, Drill Bit Extensions for 3/8" Round or Hexagonal Axes, Fit for Wood Processing
All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
Premium Materials: Crafted from high-carbon steel, bit extension for forstner boasts structural stability and rugged durability. Its surface undergoes precision grinding and polishing, endowing it with a sleek, glossy finish as well as enhanced wearproof capability for prolonged use
Perfectly Compatible: Drill bit extension kits comes with a 3/8-inch (9.7 mm) collet, which is fully compatible with Forstner bits of 3/8-inch or slightly smaller round/hexagonal shanks. Tighten the screws before use to avoid slippage during high-speed rotation and ensure fast, hassle-free bit replacement
Efficient Functionality: Extra long drill bit extension for forstner can extend drill shanks by an extra 3-1/4 inches and 5-3/4 inches respectively, enabling precise drilling operations and significantly boosting drilling efficiency for woodworkers, furniture makers, and construction professionals
Easy Installation: The usage method of 4.5" and 7" long drill bit extensions for forstner is as follows: loosen the fixing screws with a hex wrench first, then insert the drill shank and make sure the screws are parallel to the flat surface of the shank, and finally tighten the two fixing screws
Packaging Includes: The drill bit extension kits for forstner contains one 7-inch long drill extension rod and one 4.5-inch short drill extension rod, with extension lengths of 5-3/4 inches and 3-1/4 inches respectively. Both rods feature a 3/8-inch hex shank and come with two wrenches