TEMO 100 pc Felt Polishing Wool Bob Burr 1/2 Inch (13 mm) Diameter 1/4 Inch (6 mm) High Wheels #414 with 2 Screw Mandrel 401 1/8 Inch (3 mm) Shank for Dremel and Compatible Rotary Tool - Walmart.com
TEMO 100 pc Felt Polishing Wool Bob Burr 1 Inch (25 mm) Diameter 1/4 Inch (6 mm) High Wheel #429 with 2 Screw Mandrel 401 1/8 Inch (3 mm) Shank for Dremel and Compatible Rotary Tool - Walmart.com
Dremel Mandrels in the Rotary Tool Attachments & Batteries department at Lowes.com