PROFESSIONAL GRADE: Heavy-duty tour grade rack drawer with reinforced mounting ears and slam latch mechanism for secure storage and quick access DIMENSIONS: 19.15 inches deep x 19 inches wide x 6.97 inches high external dimensions, with 18.7 x 16.1 x 6.42 inches internal storage space SECURITY FEATURES: Equipped with both slam latch and key lock system (includes 2 keys) for enhanced security and convenient access INSTALLATION: Features rack mount brackets that directly connect to runners for strength, plus adjustable rear support brackets included CABLE MANAGEMENT: Rear panel includes knock-out holes for M25/M40 cable glands, allowing neat and organized cable routing This professional-grade 4U rack drawer from Penn Elcom delivers exceptional storage for your audio, IT, or studio equipment setup. Featuring a robust 18-inch depth and heavy-duty construction, this drawer is built to withstand demanding tour and professional environments. The space-efficient design includes a flat front panel with a convenient slam latch and key lock system (two keys included) for secure storage. The drawer comes with reinforced rack mounting ears and support brackets for stable installation. Its thoughtful design incorporates rear cable management with M25/M40 knock-out holes. The drawer's generous internal dimensions (18.7" depth x 16.1" width x 6.42" height) provide ample storage space, while the external measurements (19.15" depth x 19" width x 6.97" height) ensure a perfect fit in standard rack systems. The black finish maintains a professional appearance, and the aluminum construction offers durability without excessive weight. Installation is straightforward with no assembly required, making this an ideal storage solution for professional audio setups, IT environments, or home AV systems.