This mounting kit offers you different types of standoffs with screws and nuts in separate compartments of the adjustable compartment box, of which the screws and nuts are the most commonly used screws and nuts in our DIY project. Features: This mounting kit provides you different types of standoffs with screws and nuts which are most commonly used in projects. Use them to mount circuit boards and help build robots. Put into different compartments of an adjustable compartment parts box(15 compartments). Easy to storge. Transparent parts box, more beautiful. Compatible for Raspberry Pi/Arduino and their parts. Specifications: 10 * Copper Female-Female Standoff (M3 * 20 mm) 10 * Copper Female-Female Standoff (M3 * 30 mm) 10 * Copper Male-Female Standoff (M3 * 10 +6 mm) 10 * Copper Male-Female Standoff (M3 * 20 +6mm) 10 * Copper Male-Female Standoff (M3 * 30 +6mm) 20 * Philips Truss Screw (M3 * 6 mm) 50 * M3 Nut 10 * Copper Male-Female Standoff (M2.5 * 11 +6 mm) 10 * Copper Screw (M2.5 * 6 mm) 10 * M2.5 Copper Nut 20 * Screw (M2.5 * 12 mm) 20 * Screw (M2.5) Nut 20 * 2.75mm Gasket Package List: 1* 210pcs Screws Set Kit Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.