Digital Depth Caliper Electronic Depth Gauge Caliper Depth Rule (150mm(Normal)) Product Features Measuring range: 0-150mm/5.91in; Resolution: 0.01mm/0.0005inch Stainless steel: The stainless steel material makes this vernier caliper more durable. Material:metal and plastic Package Dimensions:11.2 x 7.5 x 2 inches Pattern:150mm(normal)