Features: OOTDTY Construction Aluminum Extrusion Section Screws Professional Sandblasting/Matte Anodized Finish Built-in Grooves to Hold the PCB Excellent Electromagnetic Shielding Performance Heat Sink Character, EMF Protection and Robust Construction Front and Rear Panels and Fasteners Are Included Application: Electronic Projects, Power Supplies, Student Projects, Amplifiers, etc. Specifications:Material: Aluminum Alloy Color: Black Size: Approx. 100x66x4 3mm/3.94x2.6x1.7" Quantity: 1 PcNote:Please allow 1-3mm error due to manual measurement. Pls make sure you do not mind before you make a bid, due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!No Retail Package Package Content:1 x Aluminum Case