{"product_id":"saeyang-marathon-k38-pro-bs30s","title":"Saeyang Marathon K38 PRO+BS30S Portable Nail Drill","description":"\u003cp data-start=\"468\" data-end=\"837\"\u003eThe Saeyang Marathon K38 PRO+BS30S is a professional portable e-file designed for nail technicians who need cordless mobility, stable speed, and smooth daily performance. This model is built around a brushless BS30S handpiece, a compact battery-powered control unit, and features aimed at salon and mobile work. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-start=\"839\" data-end=\"902\"\u003eWhy the K38 PRO+BS30S Works Well for Mobile and Salon Use\u003c\/h2\u003e\n\u003cp data-start=\"904\" data-end=\"1245\"\u003eThis model is a strong choice for technicians who want freedom of movement without giving up control. Seller listings for the K38 PRO line describe up to 8 hours of runtime, about 3 hours of charging time, and a lightweight portable format that suits both salon stations and mobile appointments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-start=\"1247\" data-end=\"1297\"\u003eBrushless BS30S Handpiece and Smooth Control\u003c\/h2\u003e\n\u003cp data-start=\"1299\" data-end=\"1695\"\u003eThe BS30S brushless handpiece is one of the key advantages of this setup. Listings describe it with up to 30,000 RPM, 2.7 Ncm torque, and a 2.35 mm \/ 3\/32\" collet, which makes it compatible with standard nail drill bits. Brushless construction also helps support smoother operation and a longer service life compared with brush-based designs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-start=\"1697\" data-end=\"1747\"\u003eDigital Display and Practical Daily Features\u003c\/h2\u003e\n\u003cp data-start=\"1749\" data-end=\"2137\"\u003eThe K38 PRO line is also described with a digital speed display, pause button, reverse, power-saving mode, and overload protection, which makes the device easier to control during professional use. These features are especially useful for technicians who want faster workflow adjustments during removal, prep, and refinement work. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-start=\"2139\" data-end=\"2157\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"2159\" data-end=\"2557\"\u003e\n\u003cli data-section-id=\"33tlo8\" data-start=\"2159\" data-end=\"2177\"\u003e30,000 RPM\u003c\/li\u003e\n\u003cli data-section-id=\"1sp2d1j\" data-start=\"2178\" data-end=\"2211\"\u003eBrushless BS30S handpiece\u003c\/li\u003e\n\u003cli data-section-id=\"11az7mn\" data-start=\"2212\" data-end=\"2249\"\u003eUp to 8 hours of battery life\u003c\/li\u003e\n\u003cli data-section-id=\"tlnwy7\" data-start=\"2250\" data-end=\"2285\"\u003eCharging time about 3 hours\u003c\/li\u003e\n\u003cli data-section-id=\"jgrpd7\" data-start=\"2286\" data-end=\"2308\"\u003e2.7 Ncm torque\u003c\/li\u003e\n\u003cli data-section-id=\"pnrppv\" data-start=\"2309\" data-end=\"2350\"\u003e2.35 mm \/ 3\/32\" bit compatibility\u003c\/li\u003e\n\u003cli data-section-id=\"58165r\" data-start=\"2351\" data-end=\"2380\"\u003eDigital speed display\u003c\/li\u003e\n\u003cli data-section-id=\"1bvnkbw\" data-start=\"2381\" data-end=\"2401\"\u003ePause button\u003c\/li\u003e\n\u003cli data-section-id=\"1tgmy2y\" data-start=\"2402\" data-end=\"2426\"\u003eReverse function\u003c\/li\u003e\n\u003cli data-section-id=\"6tufz1\" data-start=\"2427\" data-end=\"2452\"\u003ePower-saving mode\u003c\/li\u003e\n\u003cli data-section-id=\"1d59rtv\" data-start=\"2453\" data-end=\"2480\"\u003eOverload protection\u003c\/li\u003e\n\u003cli data-section-id=\"1dnd61l\" data-start=\"2481\" data-end=\"2557\"\u003eLightweight cordless portable design \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"2559\" data-end=\"2589\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul data-start=\"2591\" data-end=\"3082\"\u003e\n\u003cli data-section-id=\"hoxal0\" data-start=\"2591\" data-end=\"2637\"\u003eProduct type: Portable cordless nail drill\u003c\/li\u003e\n\u003cli data-section-id=\"28l3s\" data-start=\"2638\" data-end=\"2675\"\u003eModel: Marathon K38 PRO+BS30S\u003c\/li\u003e\n\u003cli data-section-id=\"t84wuz\" data-start=\"2676\" data-end=\"2707\"\u003eSpeed: up to 30,000 RPM\u003c\/li\u003e\n\u003cli data-section-id=\"lc8aa9\" data-start=\"2708\" data-end=\"2731\"\u003eTorque: 2.7 Ncm\u003c\/li\u003e\n\u003cli data-section-id=\"1vfto4d\" data-start=\"2732\" data-end=\"2766\"\u003eHandpiece: BS30S brushless\u003c\/li\u003e\n\u003cli data-section-id=\"1bec9fw\" data-start=\"2767\" data-end=\"2814\"\u003eBit size compatibility: 2.35 mm \/ 3\/32\"\u003c\/li\u003e\n\u003cli data-section-id=\"1vtt20v\" data-start=\"2815\" data-end=\"2838\"\u003eBattery: Li-ion\u003c\/li\u003e\n\u003cli data-section-id=\"903ph7\" data-start=\"2839\" data-end=\"2869\"\u003eRuntime: up to 8 hours\u003c\/li\u003e\n\u003cli data-section-id=\"13w45th\" data-start=\"2870\" data-end=\"2906\"\u003eCharging time: about 3 hours\u003c\/li\u003e\n\u003cli data-section-id=\"ll66cp\" data-start=\"2907\" data-end=\"2947\"\u003eControl unit weight: about 213 g\u003c\/li\u003e\n\u003cli data-section-id=\"1no4flh\" data-start=\"2948\" data-end=\"2985\"\u003eHandpiece weight: about 127 g\u003c\/li\u003e\n\u003cli data-section-id=\"ptbokt\" data-start=\"2986\" data-end=\"3082\"\u003eVoltage: dual voltage \/ rechargeable portable system \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"3084\" data-end=\"3098\"\u003eBest For\u003c\/h2\u003e\n\u003cp data-start=\"3100\" data-end=\"3338\"\u003eThis model is best for nail technicians who want a portable professional e-file for gel polish removal, prep work, shaping, and manicure correction with less cable restriction and a compact setup.\u003c\/p\u003e","brand":"National Nail Labs","offers":[{"title":"Default Title","offer_id":48810115170536,"sku":"MA543","price":552.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/7951\/9976\/files\/saeyang-K38-PRO-elektriviil-1.webp?v=1785130431","url":"https:\/\/nationalnaillabs.com\/products\/saeyang-marathon-k38-pro-bs30s","provider":"National Nail Labs","version":"1.0","type":"link"}