? 600Pcs M3 Brass Standoff Spacer Stainless Steel Screw Nut Kit | DIY Electronics This 600-piece M3 Assorted Brass Standoff Kit is perfect for all your electronics, circuit board, and DIY assembly needs. Includes a variety of Male-Female and Female-Female brass spacers, along with stainless steel screws and nuts?all organized in a convenient plastic storage box. ? Product Features: Materials: High-quality brass standoffs and stainless steel screws/nuts Thread Size: M3 Thread Length (Male Ends): 3mm or 4mm Finish: Straight knurl brass spacers for secure grip Packaging: Comes in a durable plastic organizer box ? What You Get ? 600 Pieces Total: ? Brass Male-Female Standoffs (Threaded M3): 40pcs ? 6mm + 3mm 40pcs ? 8mm + 3mm 40pcs ? 10mm + 3mm 40pcs ? 12mm + 3mm 40pcs ? 16mm + 4mm ? Brass Female-Female Standoffs: 40pcs ? 6mm 40pcs ? 8mm 40pcs ? 10mm 40pcs ? 12mm 40pcs ? 16mm ? Fasteners: 100pcs ? M3 x 6mm Stainless Steel Screws 100pcs ? M3 Stainless Steel Nuts ?? Perfect For: DIY electronics and robotics projects PCB mounting and prototyping Raspberry Pi, Arduino, and other development boards Repair work and hardware spacing ? Tip: Standoffs are brass. Screws and nuts are stainless steel?not all parts are brass. A must-have hardware kit for every builder, maker, and electronics enthusiast!