Accurate Stainless Steel Testing: Instantly identify 200, 201, 202, 301, and 304 series stainless steel with a visible color change in just 10 seconds no power or tools needed. Use for Home & Industry: Perfect for testing tableware, sanitary ware, building materials, and industrial equipment, making it a reliable tool for kitchens and professional settings. Easy Application with Precise Dropper: Comes with a controlled dropper tip that ensures mess free use and long lasting performance for consistent stainless steel testing results. Surface Prep & Fast Results: Just clean the surface, add a drop of test liquid, and see clear color changes within 2 3 minutes to accurately identify your stainless steel type every time. Stainless Steel Identification: Quickly differentiate common stainless steel types (except 316) to avoid costly mistakes and ensure quality in your projects or purchases. Description: Stainless steel test liquid is an essential tool for quickly identifying various stainless steel types, ideal for tableware, sanitary ware, building materials, and industrial equipment. This versatile solution reacts with manganese within 10 seconds, producing a clear color change that helps differentiate between 200, 201, 202, 301, and 304 Series stainless steel (not suitable for 316 series). Simply clean the surface to remove oil stains, apply a drop of the test liquid, and observe the color change within 2 3 minutes for accurate identification. Equipped with a precise dropper tip, it ensures easy, controlled application and long lasting use. Perfect for both home kitchens and professional environments. Item Name: Test Liquid Material: Plastic Capacity: 15ML Shelf Life: 3 Years Features: Rapid Testing, Portable, Easy to Use Size Details: L: 2.15cm/0.85", W: 2.15cm/0.85", H: 6.8cm/2.68" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1pc: 1 x Test Liquid or 2pcs: 2 x Test Liquid