Specifications:

Material: Hard Alloy
Shank diameter: 1/2"
Hold Diameter: 1/2"
Overall length: 3-1/4"
Package Included: 1 pcs Router Bit Collet Extension

Features:

1.The router collet extension is made of heavy-duty steel which is very rigid for long life. Producing with high precision aim to avoid vibration.
2.While your router bits are not enough long to meet your demands, a router collet extension rod can resolve your problems.
3.The extension rod is suitable for woodwork trimming, milling, engraving machine.
High quality,made of heavy-duty steel, sturdy and durable for long 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.