Honmofun Crab Caliper Fibonacci Calipers Vernier Caliper Body Caliper Flower Caliper Metric Caliper Plastic Sliding Vernier Caliper Warrior Digital Body Mass Calipers Gauge Measure 150mm Grey USAGE  Plastic Caliper. Smooth sliding and ensuring accurate positioning. Internal, external and height dimensions can be easily and accurately measured. Size: 22.8 cm x 7.5 cm ( 8.98 in x 2.95 in ) FEATURES  4 way measurements: inside, outside, step and depth from 0 mm to 150 mm ( 0 in to 6 in ). Precise accuracy. Resolution: 0.02 mm ( 0.001 in ). Used for industrial work, hobby work, jewelry, gunsmithing, etc. SAFETY  Lead Free and BPA Free. Complied with US FDA as well as European LFGB. DELIVERY  From professional factory Honmofun. Shipped by Honmofun Directly. FULL REFUND  Full refund guaranteed. If dissatisfied, please contact us.