A bladder sound is a curved metal instrument used to measure urethral length or dilate the urinary passage during diagnostic urology procedures. The 29 Fr size is suitable for adult male assessments and aligns with standard Indian urological practices. It is commonly used in OPD setups for evaluating strictures, obstructions, or abnormalities. The gentle curvature helps navigate the urethra while minimizing trauma to delicate tissues. Surgeons employ it prior to procedures like TURP to assess patency. Its smooth surface ensures patient safety and reduces discomfort during insertion. The device is reusable following sterilization, making it a cost-effective tool. It remains a routine part of urology examination trays.