【Stainless Steel Tape】Cekegon oil gauging tape is made of corrosion-resistant stainless steel, ensuring waterproof, rust-proof, and wear-resistant properties. Laser engraving guarantees long-lasting legibility, suitable for measuring various corrosive elements in oil. 【Premium Quality Material】The aluminum frame is impact-resistant, sturdy, and durable, while the all-metal reel prevents slippage, ensuring durability and reliability. The 12oz brass plumb bob features laser-etched markings. 【Enhanced Visibility】Stainless steel tape is marked in centimeters, meters, inches, and feet, while the brass plumb bob is dual-marked in centimeters and inches, double-sided marking for convenient and precise measurements. 【Anti-static Design】The handle is equipped with a 4-foot anti-explosion grounding wire to eliminate static electricity during use, ensuring explosion-proof safety and reliability. 【High Measurement Accuracy】High precision measurements with minimal errors, meeting national standards. Relevant certifications and calibration certificates are available. 【Multiple Sizes Available】Choose from a range of sizes, including 10M/33Ft, 15M/49Ft, 20M/66Ft, or 30M/98Ft, to meet your specific needs. 【Versatile Applications】Cekegon fuel sounding tape is ideal for use in major oil and petrochemical industries, oil fields, tankers, and more. Any questions, just feel free to contact us. The 12oz brass plumb bob features laser-etched markings.