Dremel 402 - 1/16 inch Screw Mandrel — widgetsupply.com
Dremel EZ Lock Rotary Tool Mandrel EZ402 - The Home Depot
Amazon.com: TEMO 10 pc #401 Screw Mandrel for Felt Polishing Wheel Or Cone Tip with 1/8 Inch Shank for Dremel Rotary Tools : Toys & Games
Dremel EZ Lock Rotary Tool Mandrel with EZ Lock 1-1/2 in. Rotary Tool Diamond Tile Cutting Wheel for Tile and Ceramic Materials EZ402+EZ545 - The Home Depot