1. Wide application: magnetic base is used for metal processing, machine measurement, calibration operation, precision workpiece field, machine manufacturing inspection tool2. Easy to adjust the direction, the universal arm can be fixed at any angle, it is convenient and quick to use, and it has strong suction to suck the steel surface3. There is a fine-tuning device at the clamp watch, which can be adjusted in any direction and positioning4. In addition to clamping ordinary dial indicators and lever gauges, it can also clamp lever dial indicators with dovetail grooves5. Easy to repair: there is an ON/OFF switch on the base of the magnetic base bracket to turn on magnetization and demagnetization6. Durability: the magnet of the magnetic indicator base is permanent, and the bracket is made of metal, which is flexible and durable.7. Material: metal processing8. Installation aperture: about 8mm9. Weight: about 437g for the small watch seat, about 1190g for the big watch seatSpecification: Package Weight One Package Weight 1.30kgs / 2.87lb One Package Size 25cm * 10cm * 8cm / 9.84inch * 3.94inch * 3.15inch Qty per Carton 22 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 22 pcs = 3894 pcs40HQ: 412 cartons * 22 pcs = 9064 pcs