IP54 150/200/300 Mm Digital Electronic Caliper Ruler Digital Vernier Caliper Digital Caliper Stainless Steel Calipers ,Easy to Use

1.Hardened stainless steel main scale and measuring jaws 2.knurled locking screw for more convenient measurement and reading 3.Higher quality s fixed grid, stable, and high accuracy 4.Quick display of the measured value on LCD screen, no over-speed error 5.With on-off power button, automatic power off, waterproof IP54