Digital Caliper,Inside Digital 8-150/13-200/15-300mm Electronic Digital Inside Groove Caliper with Knife Edge Micrometer Digital Caliper ,Your Good Helper

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 data output function(must buy Data output device)6.With on-off power button, automatic power off, waterproof IP54