6 Packs 1/4" To 1/8" Collet Adapter for CNC Lathe Router Cutter Milling Bit Collet Reducer

Feature: Size: 1/4" To 1/8" (6.35mm to 3.175mm);Total length: 22mm. Fitment: Fit any grinder that uses a 1/4" collet,for CNC machine tool chuck conversion,the conversion size is 1/4" to 1/8". Material: Be made of high performance Spring Steel,these adapter collets are extremely well made and firmly hold 1/8" bits in the router firmly and precisely. Function: Reduce collet size and is a snug fit with the smaller bit.The best centering 1/4 x 1/8 inch reducing collet since it has 3 slits like a milling machine collet. Tips: If you ever have any issues, simply contact us for a free replacement or refund. We support 24 hours online customer service.