ITEM NAME:Car Digital Tire Tread Depth Gauge Measurer Caliper LCD Display 0-25.4mm #JT1 Product Description Description: Features: 100% brand new, high quality; Large LCD display. Clear and durable. Zero setting at any position. Metric / Inch system interchange. Manual power on / off. Digital automatic display. here is scale on the stretch pole. Suitable for tread depth, brake shoe and pad wear. Instruction Manual: 1. Insert battery in, "+" pole upward 2. Switch ON 3. Put base on flat surface and press bar downward 4. Set ZERO 5. Put gauge on tire, hold stable and press bar tip into tyre profile 6. Read profile depth value directly 7. Switch OFF or continue Specifications: Product name: Car Digital Tire Tread Depth Gauge Measurer Caliper LCD Display 0-25.4mm Material: ABS Color: Black + blue Application: suitable for motorcycles, trucks and off-road vehicles Range: 0-25.4mm Accuracy: 0.01mm Measuring unit: ft/mm Operating temperature: 0-40℃ Battery: SR44/LR44 1.5V Product size: 113 X 60 X 13mm/4.45 X 2.36 X 0.51" Gross weight: about 50g Included: 1 X Digital Tire Tread Depth Gauge Measurer.Put gauge on tire, hold stable and press bar tip into tyre profile. Suitable for tread depth, brake shoe and pad wear. here is scale on the stretch pole. Insert battery in, "+" pole upward. Gross weight: about 50g.