Edwards Bass Trombone Dual Bore HandslideEdwards single and dual bore bass trombone slides are available with yellow brass outer tubes and nickel sleeves and end crook. Each slide carries different sound characteristics to allow you to change the color of your Edwards to your ideal sound. All slides come with your choice of brass leadpipe. The B STDN is the standard . 562 bore bass trombone slide. This slide provides a player with greater flexibility in the upper register. It is most