1/4 Inch Shank Router Bit, Shank Router Collet Extension Rod Chuck Holder Extender Adapter Woodworking Milling Bit Convert 1/2-Inch & 1/4-Inch Shank Bits with Spring Collet, Wrench Spanner

• Made of high quality material, durable and practical to use; High strength, good toughness, strong shock resistance. Make you more efficient to process products, suitable for woodworking trimming, milling, engraving machine.
• Shank Diameter: 1/4"(6.35mm), Accept Shank Size: 1/4" and 1/2" Shank, Extend Length: 2-1/4?. This router collet extension chuck accepts both 1/4" and 1/2" shank router bits for converting and extending.
• Easy to use, better to control, it will improve your work efficiency. Package including: 1* 1/4 Inch shank collet extension,1* ER20 1/2 Inch Collet, 1* ER20 1/4 Inch Collet, 1* ER20 M Type Collet Chuck Wrench Spanner.
• High precision, stable performance. Extend your router bit to provide the full depth of cut, for both 1/4 inch and 1/2 inch shank router bits.

Specifications: Material: Durable steel Shank Diameter: 1/4 Inch (6.35mm) ER20 spring collet : 6.35mm/ 1/4 inch ER20 spring collet : 12.7mm/ 1/2 inch Wrench Spanner: ER20 M Type; High Carbon Steel; Anti-slip handle Design Package includes: 1 x Router Collet Extender Holder 2 x Chuck (6.35mm/ 1/4 inch; 12.7mm/ 1/2 inch) 1 x ER20 M Type Wrench Spanner.