Complete specifications, 0-25mm (0-1"), 25-50mm (1-2"), 50-75mm (2-3"), 75-100mm (3-4"), 100-125mm (4-5"), 125-150mm (5-6"), 150-175mm (6-7"), 175-200mm (7-8"). Graduation: 0.01mm(0.0001") The specification is complete, Upscale, Middle-grade, The low-grade product all has. Good price and good quality, Plastic boxes or wooden box packaging. Welcome to select and purchase.