Router Collet Extension for 1/4" Shank Bits, requires tightening with a wrench to secure the bit and prevent it from loosening during operation. Made of heavy-duty steel for durable, long-term use and reliable performance. Eliminates the risk of shank withdrawal from the collet by extending the bit to achieve full cutting depth. Improves efficiency in processing materials, ideal for woodworking applications such as trimming, milling, and engraving. Collet Extension Features: Constructed from industrial-grade material for high precision, strength, and durability. Provides additional depth of cut required for various routing tasks. Easy to install and use, offering better control and enhanced work efficiency. Perfect for achieving full-depth cuts when machining dovetail splines and other detailed woodworking projects. Specifications: Material: Hard Alloy Color: Black Shank Diameter: 1/4 Inch / 6.35mm Overall Length: 3-1/2 Inch / 90mm Package Includes: 1 x Router Collet Extension Notes: - Maximum speed rating up to 20,000 RPM - For use with higher hardness materials, a 1/2" collet may be recommended - Not intended for use on metal or iron-based materials - Always inspect workpieces for embedded objects such as nails before use - Proper safety precautions and protective equipment should be used during operation