Effortless precision. This slim, pen-style cordless rotary grinder delivers up to 22,000 RPM with a durable brushless motor for engraving, polishing, drilling and detailed DIY work. USB-C rechargeable with dual battery and plug-in modes, lightweight and portable for home craft, jewelry, wood carving and model making.

Specifications:

• Power Source: Lithium-ion battery (rechargeable) / plug-in
• Battery Included: Yes
• Battery Capacity: 800 mAh (rated)
• Rated Voltage: 5 V (battery nominal 3.7 V)
• Charging Interface: USB-C
• Charging Parameters: 5 V = 1 A (standard); recommended plug-in use 5 V = 3 A for best performance
• Charging Time: Approximately 90 minutes
• Run Time: Up to 60 minutes continuous (fully charged) — actual time varies with load and temperature
• Speed Range: 15,000 – 22,000 RPM (no-load)
• Motor Type: Brushless hollow-cup motor
• Collet / Clamping Size: 2.35 mm (0.093 in)
• Product Size: approx. 184 x 20 x 20.6 mm (7.24 x 0.79 x 0.81 in)
• Net Weight: approx. 310 g (10.9 oz / 0.68 lb)
• Operating Temperature: 0 ℃ to 40 ℃ (32 ℉ to 104 ℉)
• Storage Temperature: -10 ℃ to 45 ℃ (14 ℉ to 113 ℉)
• Certification: CE
• Execution Standard: GB/T 3883.1-2014
• Accessories Included: 16 grinding/engraving heads (2.35 mm shank), wool/brush bits, diamond head, grinding wheels, rubber polishing head
• Package Contents: Rotary grinding pen, automatic pop-up storage box, 16 sharpener heads, USB-C charging cable, instruction manual

Key benefits: slim 2 cm pen-shaped design for precise control, lightweight portable body for handheld comfort, easy one-button power with speed knob for quick adjustments, dual power mode for uninterrupted work sessions, and an automatic pop-up accessory box for tidy storage. Ideal for wood carving, jewelry polishing, model making, pendant drilling, silver and jade polishing, and small home repairs.

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