Used to connect the deck to the trucks securely with the included Allen key. Features: Come with 8pcs bolts, 8pcs nuts and a hex key wrench with cross screwdriver. High strength steel material with printed surface, sturdy for long service life. The length of the screws: 29mm/1.14in. The upper part, which is inside the wood, is not threaded, so the bolt fits snugly and has less vibration, preventing the nuts from loosening effectively. Used for longboards, skateboards, cruisers, etc. Specifications: Material: Steel Color: Black / Gold (optional) Screw Size: 25 mm / 29 mm / 33 mm ( optional ) Package Size: 9 * 5 * 1 cm / 3.5 * 2.0 * 0.4 in Package Weight: 58 - 65 g / 2.0 - 2.3 in Package List: 8 * Screws 1 * Hex Wrench Note: Please ensure proper length when ordering