Features:Guitar effects pedalboard, 3 sizes for options: S(for 3-4 effect pedals)/ M(for 6-8 effect pedals)/ L(for 8-12 effect pedals).Durable aluminum alloy structure with black oxidation treatment surface, sturdy and anti-rust.Special screw fixation design, with no need for sticking tapes, you can fix your effect pedals on the pedalboard by the included screws.The pedalboard makes it easy to organize your effect pedals, and let them look more tidy and more professional.Come with a carry bag for convenient storage and transport.Specifications:Color: BlackBoard Material: Aluminum Alloy3 Sizes for option: S--51.7 * 18 * 4cm/ 20.4 * 7.1 * 1.6in M--51.7 * 33.2 * 4cm/ 20.4 * 13.1 * 1.6in L--66.7 * 33.2 * 4cm/ 26.3 * 13.1 * 1.6inPackage Size: 60.5 * 26.5 * 10cm/ 23.8 * 10.4 * 3.9in(S); 62 * 41 * 10cm/ 24.4 * 16.1 * 3.9in(M); 74.5 * 40 * 10cm/ 29.3 * 15.7 * 3.9in(L)Note:The effect pedals showed in the pictures are not included.Package List:1 * Pedal Board24 * Fixture Blocks25 * T Screws25 * Hex Screws1 * L Shape Wrench1 * T Shape Wrench2 * Hooks3 * 4mm Screws1 * Carry Bag1 * Users' Manual(English & Chinese)