WellieSTR Rotary Circle Cutter (with blade)Adjustable Hand Circle Mat Cutter Cut Cutting Round Hole For leathercraft Leather Paper ect. Reduces wrist fatigue Includes 5pcs blades Cut Perfect Circles With This Accurate Circle Cutter. Adjusts From 1CM-15CM(Dia.); Also Allows For Millimeters. Use For Paper, Posters, Leather, Mat Board, And More. Great For School, Crafts, And Scrapbooking 1pc tool with 5pcs blade