Silent, durable, and heat-resistant Working pressure: 220Kpa (2.1-2.35gf/cm2) Speed: 300000rpm-450000rpm Needle: The minimum suitable length for a 1.600mm standard needle (in accordance with IS01797-1, YY0761.1 standards) is 14mm, the longest suitable length is 25mm Noise less than 70dB Needle retrieval method: needle or press type can be selected Net weight 76g, gross weight 180g, outer packaging size 155 * 75 * 25mm