Its 14'' depth and dual rack rails make it perfectly suited for rack-mountable effects units, DJ filters and effects, signal processors such as compressors and EQs, and much more! Whether you're on the road, in the air, or in the club, you know that your gear will be safe and secure. This is because each and every ProX case is ruggedly tested under the most stringent conditions to meet our state-of-the-art quality control standards.These professional-grade products also include external spring-loaded handles and butterfly twist latches.The rubber feet at the base will ensure maximum stability when stacking multiple units. As part of ProX Cases PremiumSeries line of products, theX-4UEcase is assembled with 1/4'' plywood for premium protection. In addition to the heavy duty design and convenient features of theX-4UE, this case is coated with a beautiful black finish giving you a stylish, durable, and dependable product that will last a lifetime.