Martin Yale Premier Heavy Duty Paper Trimmer. 15 Cutting Length. Base Size 21.88 x 14.13 x 3.50 . Heavy-duty 3/4 thick wood base. Fully-hardened high-carbon steel blades cut up to 20 sheets at once. Finger guard protects entire blade length. Accurately cuts paper matte board cardboard film tissue and textiles. Permanent 1/2 grid and dual English and metric rulers ensure proper alignment. Patented automatic blade latch locks with every cutting motion. Torsion spring prevents blade from accidentally falling during operation. Non-skid rubber feet.- SKU: ZX9AZRPREW15