GPB pedal boards are innovative, human oriented and user-friendly, can fasten different shapes of pedals. With collapsible under-chassis, space-saving and portable, perfect for guitar performance. You can fix the pedals on the pedal boards quickly with the fixture blocks. Besides, the aluminum alloy structure ensures the maximum bearing capacity and impact resistance. Features: 1. Made of aluminum alloy, can sustain violent trample 2. With collapsible and hidden under-chassis, space-saving and portable 3. Bring in a whole new method of fastening the pedals, say, fasten the pedals quickly 4. They feature ergonomics and quite user-friendly 5. All edge protectors design, helps protect against being scratched 6. With specific tools attached, easy and convenient to operate 7. The surface of the metal has undergone oxidation treatment, firmness and fastness 8. Building blocks structure, various sizes are available 9. Color: black Packing list: 1. GPB-03 pedal board 2. Handles×2 3. Fixture blocks×32(standard configuration) 4. ?T? shaped nuts×33 5. 5mm hexagon socket head cap screws×37 6. ?L? shaped allen key×1 7. ?T? shaped allen key×1 8. Power pack latch hooks×2 9. 4mm cross head screws×310. Carrying bag×1