All Quality Plus instrument are guaranteed for life against manufacturing defects, provided that the instrument is used for its intended purpose. Quality Plus will replace the defected instrument without any charges. Quality Plus quality control inspectors in the factory carefully examine every instrument. Also, Quality Plus instrument experts inspect every instrument using a Thirty-one-point checklist for all incoming instruments and a six-point final checklist on every item shipped. No instrument is shipped unless it meets our stringent quality and standards.Quality Plus high reputation in terms of design, quality and competitive price,while giving both quality and durability is well recognized in the industry. Due to these distinctions and our endeavour to meet all expectation, our customers are very satisfied. End user should keep instruments in tip-top working condition. The result? Excellent value for your instrument investment.