ITEM NAME:150mm Fraction MM Inch Stainless Steel Portable Digital Display Vernier Caliper Description: Solid and durable, depth-measurement blade, precise internal and external measuring jaws, precise lapping finish electronic digital calipers. You can test inner diameter, external diameter, depth, length, width by it. The 3 button design make it easy to use; one is on / off, one is mm/in/F switch, the last is back to zero. Caliper type: Digital Calipers DIY supplies: Metalworking Specifications: Material: Stainless Steel, Plastic Color: Black Length: approx. 234mm&;nbsp; Measuring range: 0-150mm Resolution: 0.01mm Reading value: 0.01mm Battery: 1.5V button battery(included) Package includes: 1x Vernier Caliper Notes:&;nbsp; 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!&;nbsp; 2. Please allow 1-3cm measuring deviation due to manual measurement..1x Vernier Caliper. Caliper type: Digital Calipers. Material: Stainless Steel, Plastic. Resolution: 0.01mm. Reading value: 0.01mm. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.