Description: Made of High Quality Stainless Steel with Zinc Plated finish, durable and practical Total 120 pieces Hex Stand-off Screw Nuts Assortment,meeting all your needs in the load of fastening Sturdy plastic case for easy storage and organization of commonly-used screws in 8 different sizes Work-hardened surface provide high-strength, load-bearing threads 100% Brand New with Premium Quality, Practical and Useful Specification: Material: Brass Alloy Overall Demension: M3 Brass Male-Female standoff(15mm + 6mm) 10pcs M3 Brass Male-Female standoff(10mm + 6mm) 10pcs M3 Brass Male-Female standoff(5mm + 6mm) 10pcs M3 Brass Male-Female standoff(20mm + 6mm) 10pcs M3 Brass Female-Female standoff(15mm) 10pcs M3 Brass Female-Female standoff(10mm) 10pcs M3 Brass Female-Female standoff(20mm) 10pcs M3 Brass Female-Female standoff(5mm) 10pcs M3 Nickel-plated Hex Nuts 20pcs M3 x 6 Round Head Screws 20pcs Color: as shown in display pictures Package Includes: 10 Pieces M3 Brass Male-Female standoff(15mm + 6mm) 10 Pieces M3 Brass Male-Female standoff(10mm + 6mm) 10 Pieces M3 Brass Male-Female standoff(5mm + 6mm) 10 Pieces M3 Brass Male-Female standoff(20mm + 6mm) 10 Pieces M3 Brass Female-Female standoff(15mm) 10 Pieces M3 Brass Female-Female standoff(10mm) 10 Pieces M3 Brass Female-Female standoff(20mm) 10 Pieces M3 Brass Female-Female standoff(5mm) 20 Pieces M3 Nickel-plated Hex Nuts 20 Pieces M3 x 6 Round Head Screws