Digital Outside Groove Caliper, Disc Brake Rotor Micrometer, Digital Vernier Calipers Measuring Tool for Disc Brake, Brake Measuring Tool wtih Caliper- Inch/Metric Conversion(2 Inch/50mm), Brake Caliper with Stainless Steel 【Accurate Measurement 】This Digital Outside Caliper glides smoothly. Measuring range: 0 -2" / 0-50mm; Accuracy: ± 0.001"/ 0.025mm; Resolution: 0. 0005"/0. 01mm. You can accurately measure the thickness of the brake disc to ensure that your brake system is in top condition. 【Zero Setting】: The smart design of thisOutside Groove Caliper allows you to easily reset to zero by pressing a button and start a new measurement at any point on the scale, which is very suitable for differential measurement. 【Stainless Steel Material】: The Outside Groove Caliper is made of high-strength stainless steel, which is waterproof, stain-proof and oil-proof. The ergonomic design brings you a comfortable feeling. 【Multifunctional Use】: The digital micrometer suitable for brake disc measurement and can easily and accurately measure external, and depth dimensions.versatility makes it an ideal tool for any workshop or garage. 【Large and Clear Display Screen】: Large LCD display gives you a clear reading. The thumb rolling and locking screw provide easy sliding, accurate positioning, and fine adjustment.