Ludwig Concert Bass Drums Feature 6 Ply Maple Shells And The All-Terrain Stand, Specifically Engineered For The Indoor And Outdoor Marching Percussion Front Ensembles. Features Include Four Large And Durable 6" Lockable Swivel Casters, That Can Smoothly Roll Over Dirt, Grass, And Rough Pavement. The Bass Drum Stand Is Constructed From Strong 1 1/2" Square Steel, Powder Coated In A Scratch Resistant Silver Finish. All Bolts And Washers Are Replaceable. The Drum On This Le788 Stand Can Rotate 360-Degrees, To Position At Any Axis For Proper Playing Technique And Double Mallet Performance. The Tilting Mechanism Features Large Handles And Large Rubber Washers For Smooth Yet Secure Positioning. Another Feature Is The Removable, Retractable, And Adjustable Foot Rest, To Allow For Knee Dampening Of The Head.