1、Portable Size: The small size of this tool is very convenient for everyday use, you can carry it in your tool bag without taking up too much storage space. 2、Cordless Design: This electric grinder is powered by battery. So it will not be bound by the rope when in use, giving you a better experience. 3、3 Speed Levels Adjustable: There are three different speed leves for you to adjust, you can choose the suitable level according to your different needs. The 2 and 3 level speed has the overload protections function to ensure safely use. This handheld electric grinder drill tool can be used in your home, daily DIY process and so on. 3 adjustable speed levels to meet your different needs. If you need it, come on and have a try, it will not let you down. Features: Portable Size: The small size of this tool is very convenient for everyday use, you can carry it in your tool bag without taking up too much storage space. Cordless Design: This electric grinder is powered by battery. So it will not be bound by the rope when in use, giving you a better experience. 3 Speed Levels Adjustable: There are three different speed leves for you to adjust, you can choose the suitable level according to your different needs. The 2 and 3 level speed has the overload protections function to ensure safely use. Pure copper chuck design, high concentricity and clamping stability, can be used for 2.35 handle diameter grinding heads. Wide Applications: This tool can be used for all kinds of material carving, drilling and so on. Such as jade, gourd, wood, walnut and so on. Four types optional: The type 1 only includes a electric grinder, 2pcs grinding heads, a wrench, a screw, a cable. The type 2 includes a electric grinder, 30pcs(a set) grinding heads, 2pcs grinding heads, a wrench, a screw, a cable. The type 3 includes a electric grinder, a set of grinding and polishing accessory, 2pcs grinding heads, a wrench, a screw, a cable. The type 4 includes a electric grinder, 30pcs(a set) grinding heads, 2 drill bits, 3 cutting blades, a connecting rod, 2 pcs grinding heads, a wrench, a screw, a cable. Specfications: Material: stainless steel+copper Type: type1-4 (optional) Speed level: 3 Speed: 25000 r/min Clip: 2.35mm Battery: 1 * lithium battery, 280mAh (included) Package size: 180 * 60 * 45mm / 7.1 * 2.4 * 1.8in Package weight: Type1: 160g / 5.6ounce Type2: 200g / 7.1ounce Type3: 220g / 7.8ounce Type4: 240g / 8.5ounce Type1 Packing list: 1 * Electric Grinder 2 * Grinding Heads 1 * Wrench 1 * Screw 1 * Cable OR Type2 Packing list: 1 * Electric Grinder 1 * Set Grinding Heads 2 * Grinding Heads 1 * Wrench 1 * Screw 1 * Cable OR Type3 Packing list: 1 * Electric Grinder 1 * Set Grinding&Polishing Accessory 2 * Grinding Heads 1 * Wrench 1 * Screw 1 * Cable OR Type4 Packing list: 1 * Electric Grinder 1 * Set Grinding Heads 2 * Grinding Heads 1 * Wrench 1 * Screw 1 * Cable 3 * Cutting Blades 1 * Connecting Rod 2 * Drill Bits 1 * Electric Grinder 2 * Grinding Heads 1 * Wrench 1 * Screw 1 * Cable OR Type2 Packing list: 1 * Electric Grinder 1 * Set Grinding Heads 2 * Grinding Heads 1 * Wrench 1 * Screw 1 * Cable OR Type3 Packing list: 1 * Electric Grinder 1 * Set Grinding&Polishing Accessory 2 * Grinding Heads 1 * Wrench 1 * Screw 1 * Cable OR Type4 Packing list: 1 * Electric Grinder 1 * Set Grinding Heads 2 * Grinding Heads 1 * Wrench 1 * Screw 1 * Cable 3 * Cutting Blades 1 * Connecting Rod 2 * Drill Bits