The Trim It 9 Blade Trimmer from Purple Cows is a unique all in one multi-blade portable trimmer with replaceable cutting head and dual fold out arms for alignment and measurement accuracy in a single compact unit. Features include: Compact 15" base for easy portability, pullout side rulers are clearly marked with both inches and millimeters and a transparent cutting guide. Each package includes 15" cutting base unit with 2 swing out arms, replaceable cutting head with 9 built in blade styles and replaceable cutting strip and 9 blade cutting head blade styles: straight, perforating, scoring, scallop, deckle, victorian, colonial, wave, squiggle.