Precision Electric Engraving & Polishing Pen
High-performance rechargeable pen with variable speed control (3000-20000 RPM) for ultra-fine engraving, polishing, and grinding. Ideal for delicate repairs on phone motherboards, CPU pins, and screen glass. Durable tungsten steel tip and ceramic bearings ensure long-lasting precision. Compact, lightweight design (45g) for effortless handling in tight spaces. Perfect for electronics repair, jewelry detailing, and DIY crafting. Includes 10 interchangeable diamond bits for versatile use. Ships globally with bulk discounts available.