Good Durability Anti-rust Material: This Outside Micrometer is made of alloy measurement surface, which is not easy to to offer use with long life Provides Clear Reading: This Outside Micrometer Caliper offers clear LCD display screen for easy reading of the measuring results Fix Measurement Size: This Digital Micrometer adopts with locking device designed to fix the measurement size and prevent clearance adjustment due to error surfaces Easy to Operate: This Digital Outside Micrometer is featured with user-friendly design, easy to operate, can be set resolution 0.001mm Applies for Constant Force Measurement: Knurling ratchet device for constant force measurement ASIN B082NZF6ZX Range 25 Millimeters Brand Name Walfront Item Weight 0.3 Kilograms Manufacturer Walfront Material Type Stainless Steel Measurement Accuracy +/-0.001 millimeters Item Dimensions L x W 0.98 L x 0.98 W