Cordless Drill Power Tools Electric 3-Speed Mini Drill Grinding Rotary Tool Kit 3.6V Wireless Mini Engraving Drill Pens Feature: LITHIUM-ION CORDLESS - 3.6V max built in battery operated, provides a safe, effective, clean energy, less stressful alternative to clipping. Great hand drill for jewelry making, grinder and mini project sander. THREE-SPEED SETTING - Adjust between high/mid/low speed (5,000 10,000 and 15,000 RPM) to match the proper speed required, let you safely and carefully grind nails in stages. LONGER RUN TIME - About 100 mins free running time. Rechargeable in 2 hours with usb charging cable, simple and convenient at everywhere. Brings multiple use by one charge. COMPACT LIGHTWEIGHT - Weighs only 3.2oz (90g), even lighter than two eggs, super compact like a pen that can be well handled by one hand. Designed for comfortable, portability and convenience, easy use anywhere any time. VARIETY OF BITS ASSORTMENT - 25 pieces of rotary tool accessory kit extend work ability, like engraving, sanding, grinding, polishing, drilling holes, carving and others; Collet size is 3/32 and 1/8. Also compatible with Dremels rotary tool accessories. Item Type : Cordless Rotary Tool Kit Material: ABS Steel Color:Green Rating: 3.6V 600mAh 3-Speed: 5000 /10000/ 15000 r//min (no load) Collet Size: 3/32(2.4mm) 1/8(3.2mm) Charging Port: Micro USB Charging Time: ~ 2 hrs (5V/0.5A) Tool Weight: 3.2oz Tool Size: 5.7 x1.2 (145 x31mm) More detailed,please see photo. Quantity:1 Kit. Note: Size for manual measurement, there may be a 0 to 3mm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 Kit x Cordless Rotary Tool Kit.