1/4 Inch Shank Router Bit, Collet Extension Chuck Converter Adapter Convert 1/2-Inch & 1/4-Inch Shank Bits with ER20 M Type Spring Collet, Wrench Spanner

• Shank Diameter: 1/4 Inch (6.35mm), Accept Shank Size: 1/4 Inch and 1/2 Inch Shank, Extend Length: 2-1/4 Inch. This router collet extension chuck accepts both 1/4 Inch and 1/2 Inch shank router bits for converting and extending
• Quality Material: Converter Adapter and ER20 Spring Collet Made of durable steel for maximum strength and long life use, suitable for woodworking trimming, milling, engraving machine
• Easy to Use: Place the router collet extension shank in the 1/4-inch router collet and the router bit shank in the extension collet and tighten both
• Package includes: 1 x Router Collet Extender Holder, 1 x ER20 M Type Wrench Spanner, 1 x 1/4 inch collet, 1 x 1/2 inch collet
• Application: High precision and stable performance, Widely used to milling, drilling, silk attack, sculpture and other processing

Material: Durable steel Shank Diameter: 6.35 mm/1/4 Inch ER20 collet: 6.35 mm/1/4 Inch ER20 Collet: 12.7mm/1/2 Inch Wrench: ER20 M type; high carbon steel; non-slip handle design Package includes: 1 x Router Collet Extender Holder 1 x ER20 M Type Wrench Spanner 2 x collet (6.35mm/ 1/4 inch; 12.7mm/ 1/2 inch)