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مميزات خاصة
Material: Made of high quality heavy-duty steel, durable for long life.
Overall length of the router collet extension is 3-1/4 Inch, extends the router bit an additional 2-1/4".
Shank Diameter: High concentricity and 1/2"(12.7mm) shank diameter, no worries about wobbling and bending.
1/2-Inch shank router bit collet extension, make you work better, more efficient.
Note: 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.