6 Pack PERF CUT REPL BLADE f/CK1200 LINEX Large Rotary Cutter Designed for firm grip with contoured handle. Large 45mm (1.8") diameter blade. This model features a locking mechanism for safe positioning when not in use. Ideal for paper craft, decorations, as well as for cutting cloth, paper, vinyl, film, and single ply poster board. Straight, wavy, or perforate refill blades available. Blister-carded.