Replacement Round Blade for Rotary Trimmer Rotary Trimmer, Accessories Self-sharpening steel blade cuts tissue to heavy matte board Safety finger-guard rail and blade lock Ideal for precise trimming of art, craft and graphic materials. Enclosed blade. Dual scale allows metric or standard measurements. Rotary cutting action of the stainless steel blade prevents bending and tearing of paper. Transparent cutting guide for cutting on a mark. Cuts up to ten sheets (based on 20-lb. bond). Heavy-duty steel base, size 15 x 10. Shpg. wt. 3.14 lbs. Round Replacement Blade (QRT9212RB), Perforated Replacement Blade (QRT9212PB), Wave Replacement Blade (QRT9212WB) and Replacement Cutting Mat (QRT9212CM), all sold separately. Accessories for Rotary Trimmer (QRT9212) Round Replacement BladeProvides a straight cut. Two blades per pack.