Rechargeable Electric Engraving Grinder Lettering Pen

Product information: Power supply: 3.7V lithium battery Battery capacity: 1000mAh 10440 battery Clamping diameter: 2.35mm Machine speed: 35000r/min Body material: 304 stainless steel Feature: This product uses 10440 rechargeable lithium battery, wireless charging, practical and portable, and has plenty of power. The product adopts a customized ultra-high-speed RuFeB motor with a service life of up to 5,000 hours. After repeated tests, the customized 32,000-rpm speed is better than the 42,000-rpm engraving pen and electric grinding pen of the same type in the market without affecting the use effect. In comparison, the torque is greater! This product is designed and made of high-quality stainless steel and brass. It is small in size and large in energy. It not only looks exquisite and beautiful, but also has a pen-like writing experience. The outer diameter of this product is 6MM, which occupies a small space and is easy to do detailed engraving