Original Skip-Stitch #1 Blade & #2 Blade & One 45mm Rotary Cutter The #1 blade is perfect for perforating fleece and similar fabrics such as vinyl, felt, and soft foam in preparation for the application of over-edge finishing. The #2 blade is designed especially for lighter fabrics such as flannel. Fits all 45mm Rotary Cutters. Rotary Cutter Included in Combo! Great for projects including crocheting, sewing, knitting, lacing, scrapbooking and so many more!