1/2-Inch Shank Router Bit Collet Extension, Adapter for 1/2-inch Shank Bits

High quality,made of heavy-duty steel, sturdy for long service life. High concentricity and 1/2 inch shank diameter,don’t worry about wobble and bent. Overall length of the router collet extension is 3-1/4 Inch. Lever principle, the less the part of the shaft be clamped, the greater the force the shaft experienced, especially when the cutter head is big. So please ensure at least 3/4 of the shank must be inserted. Greater for that router table that doesn’t quite extent to where you want it to.