Jooehyer 10PC 1/4in to 1/8in Collet Adapter High-Carbon Steel 1/4 to 1/8 Router Converter for CNC Lathe Router Cutter Milling Bit

Size: inner diameter 1/8 inches(3.175 mm), outer diameter 1/4 inches(6.35 mm), total length 0.93 inches(23.5 mm). Quality Material: made of spring steel, these collet adapters are well made with high- clamping force and good grip stability for long-term use. Quantity: you receive 10 pieces of 1/4inch to 1/8inch collet adapters, sufficient quantity to meet your daily use needs, easy to replace. Application: router collet adapter reduces the collet size from 1/4inch to 1/8inch, suitable for CNC machine grinders with 1/4inch collets; Best centering 1/4 x 1/8 inch, because it has 3 , just like a milling machine chuck Firmly Fixed: this router adapter can be installed well and stay firmly, no vibration when using, with precise clamping force and good grip stability, can firmly hold the 1/8 inch drill bit in the router