Fiskars Paper Trimmers are great for small paper crafting projects utilizing everything from construction paper to tissue paper. Makes interior cuts that scissors can’t make. Left or right handed. Aluminum Rail 12″- Ideal for cutting paper, photos and up to two sheets of 110 lb. cardstock. Sturdy, reinforced aluminum cut rail ensures straight cuts, never curved or wobbly. Line-of-sight window makes it easy to see where blade will cut. Includes highlighted grid lines, larger numbers and a wing-out arm that extends the measuring deck to over 15″. Works with blade style K, 12″ cut length. Lifetime warranty.