This 14pc Deluxe Flat Ended Sound kit is a great for kit for beginners or advanced users of urethral play. This kit contains 14 pieces of chrome plated brass urethral sounds. These sounds are slightly curved and measure 7.5 inches in length and 5.5 inches insertable length. The sounds range from 4 French to 17 French. The sounds are flat on one end for easy gripping or electro play. These sounds come in a black velvet lined zippered case for easy storage and for travel.