Router Collet Extension Rod Router Bit Adapter Extender For 1/4" 8mm 12mm Shank - Walmart.com
Genmitsu VG03A 1/4'' V Grooving Router Bit Set | SainSmart – SainSmart.com
12mm 8mm Shank 1/2 Bottom Cleaning Router Bit Straight Bit Clean Milli
Amana Tool RC-2248 Insert Carbide Mini Spoilboard Surfacing, Rabbeting, Flycutter, Slab Leveler & Surface Planer 1-1/2 Dia x 15/32 (12mm) x 1/4 Inch Shank Router Bit | Stepcraft, Inc.