Specifications:
Size: 6mm to 6mm
Shank Diameter : 6mm / 0.24"
Accept Shank Diameter: 6mm / 0.24"
Total Length: 87mm / 3.43"
Material: Carbon Steel
Package Content: 1pcs x Router Collet Extension Chuck Adapter

Descriptions:Made of durable carbon steel, ensuring its high strength, high hardness, wear resistance and vibration resistance.
The chuck converter can convert or extend the router bits, providing full or additional cutting depth, reducing the risk of pulling the shank out of the chuck.
The collet extension can be used in CNC woodworking engraving and spindle machines, milling machines and lathe tools, etc.; suitable for woodworking trimming, milling, engraving, drilling, reaming and grinding.
Just put the extension shank in the router chuck, insert the router bit into the chuck from the top of the nut, and tighten it. Avoid clamping the shank too short during installation.