4pcs Router Collet Adapter, 1/4″ to 1/8″ CNC Engraving Router Bit Collet Size Converter

About  the Collet Add this small adapter to your router and let your router use 1/8" bits as well as 1/4" bits! Made from durable high-carbon steel, these adapters offer precision and durability. Experience improved grip stability for precise engraving and routing. Each package includes 4 adapters, ensuring a seamless transition between bit sizes for your CNC router.   Specification: Material: Spring Steel Conversion Size: Convert 1/4″ to 1/8″ Inner Diameter: 0.125″ (3.175 mm) Outside diameter: 0.25″ (6.35 mm) Total Length: 0.93″ (23 mm) Compatible: Genmitsu compact router and other CNC router with 1/4″ collet on the market.