Check the listing for details. Micro Bench Drill 0.3-4mm Mini Drilling Machine Precision Watch Repair Tool. Condition: New. Listed at 62.99 USD. Model: RS-425PV-2280/62 Size: 41.8mm x 30.5mm Shaft diameter: 3.17mm Shaft length: 62mm Weight: 105.6g Voltage range: DC 3.7V - 16.0V About us： Welcome to our store, we commit to provide you the best innovative, quality products & professional services with competitive prices. Our mission is to provide each customer the best possible shopping experience for automotive parts & accessories. Contact Us： 1. For any reasons you want to contact us, We promise you that you will get response within 24 hours during working days. 2. We aim at satisfying every visitor, no matter what kind of situation you meet with, we will be right here to serve you. Contact our team before claiming or opening a case or leave us negative feedback,we will do our best to resolve it.We aim to satisfy every buyer, be sure of that you would be 100% satisfied after contact us. 3. If you are happy with the transaction with us, leaving us an ALL-5-STAR positive feedback would be greatly appreciated. Tell your friends when you are satisfied and DO tell us when you are not ! Your encouragement will keep us moving forward.