Features: The bidirectional shock-absorbing Dials have independent cores and use precisions bearing component to ensures measurement accuracy and stability. Thickened and fine ground measuring claws, smooth touching without hurting hands: stainless steel precisions edges with a 45 degree precisions grindings for a more comfortable touch. Precisions shock-absorbing watch cores, ensuring accuracy: All precisions double gear watch cores, better and more stable shock-absorbing effect. Metal fastening nut, quick locking measurement value: The top nut can be rotated and tightened, quick locking measurement value. Adjustment method for caliper with meter: Adjust to 0. If the pointers of the caliper with meter is not in the 0 position, please wipe the measuring clean before closing the measuring claws, loosen the Dials fixing nut, rotates the Dials to turn the Dials pointers to the 0 position, and then tighten fixing nut to resets to 0. Specifications: Material:Stainless Steel Ranges: 0-150mm/6" Accuracy: 0.02mm Length:Approx.235mm/9.25'' Package Includes: 1Piece Dials Caliper note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.