MACK Sword Pinstripe/Pinstriping Brush 10-1,0,00,000 MACK 10 SERIES PINSTRIPING BRUSHES: SET OF 4 BRUSHES, Part#'s 10-1, 10-0, 10-00, 10-000 100% Unmixed Blue Squirrel Hair Hand Crafted And Shaped As It Was Many Years Ago Extra Attention Given To Quality Control With Respect To Shape And Cleaning The Very Finest Grade Of Blue Squirrel