Parameter Information: Material: Alloy Color: White Product Description: Product Name: Precision Test Measuring Instrument Features: - The material is aluminum housing and the measuring probe is made of a resistant alloy. - Dial scale is clear, with dust-proof mirror cover, black 0-100 continuous reading, red 0-50-0 balanced reading, convenient reading. - Provide lug back positioning, with an inner diameter of 8mm for easy fixation during use. - It is designed with an embedded copper sleeve and is equipped with a detachable probe. - Precision measuring and testing instruments for manufacturing and maintenance. Zeroing method: Firstly, wipe the measuring rod and measuring head clean. Then screw the rotary table limit nut. Finally, turn the dial counterclockwise until the pointer is aligned with the zero scale. Product Weight : 130 G / 4.59 Ounces Product Dimensions (L*W*H) : 130*76*59 MM / 5.12*2.99*2.32 Inches Package Weight : 135.0 G / 4.76 Ounces Package Dimensions (L*W*H) : 135*80*65 MM / 5.31*3.15*2.56 Inches Retail Packaging: Yes, Plastic Packaging Package Include: 1 x Dial Indicator