{"product_id":"gemkit-hh-at02","title":"GEMKIT Multifunction Air-Free Pneumatic Engraving Machine for Jewelry, Built-in Compressor, 3-in-1 Engraving\/Polishing\/Drilling, 0-35000RPM Micromotor, Interchangeable Pistons, HH-AT02","description":"\u003cdiv class=\"gemkit-product-description\"\u003e\n\u003cp\u003eProfessional GEMKIT jewelry-making tool designed for accurate, repeatable workshop use. Model HH-AT02.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e🚫 No External Air Compressor – True All-in-One – Forget bulky, noisy compressors. Built‑in air‑free system delivers powerful pneumatic engraving right from the control box. Plug, play, and save valuable bench space.\u003c\/li\u003e\n\u003cli\u003e🎛️ 3-in-1 Function: Engrave, Polish, Drill – Mode selector knob switches between G (Engraving), P (Polishing), and D (Drilling). Includes a separate 0-35,000 RPM micromotor handpiece for rotary tasks – no second machine needed.\u003c\/li\u003e\n\u003cli\u003e⚙️ Interchangeable Pistons for Light to Heavy Work – Comes with 4g and 6g pistons. Swap easily by unscrewing the handpiece handle. Use lighter piston for fine bulino and shading; heavier piston for deep cuts in steel, titanium, and hard metals.\u003c\/li\u003e\n\u003cli\u003e🎯 Precision Dual Controls + Foot Pedal – Power knob adjusts stroke force; speed knob controls stroke frequency (0–100%). Included foot pedal gives hands‑free variable control. Digital display shows real‑time settings.\u003c\/li\u003e\n\u003cli\u003e🧰 Complete Ready-to-Use Kit – Includes: pneumatic handpiece + micromotor handpiece, 6 quick-change chucks (2.35mm), 6 gravers, graver base \u0026amp; holder, 2 pistons (4g\/6g), foot pedal, carbon brushes, wrenches, power cord, and user manual. 1-year warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e HH-AT02\u003c\/p\u003e\n\u003c\/div\u003e","brand":"GEMKIT","offers":[{"title":"Default Title","offer_id":45388043518067,"sku":"HH-AT02","price":699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0698\/5924\/6195\/files\/51bOcQP3j9L.jpg?v=1787410380","url":"https:\/\/gemskit.com\/zh\/products\/gemkit-hh-at02","provider":"GEMKIT","version":"1.0","type":"link"}