✓600Pcs Round Spacer Kit: Includes a wide range of lengths (2, 3, 5, 6, 8, 10, 12, and 15mm) with 7mm OD, 300 pieces each for M3 and M4 screws, perfect for electronics, DIY projects, and versatile applications
✓Durable ABS Construction: Made from high-quality ABS material, insulated and wear-resistant, sturdy yet lightweight, ensuring long-lasting durability and helping protect electronic components from rust
✓Note: These ABS Round Washers are Non-Threaded, with ID 3.2mm and 4.2mm, suitable for M3 and M4 screws
✓Wide Applications: Helps maintain consistent board height and prevents seams from bending, twisting, or short-circuiting; suitable for 3D printers, FPV, shutter locks, quadcopters, computers, power sockets, TV wall mounts, power strips, robots, drones, and more
✓Easy Storage & Use: Includes a plastic organizer with 24 compartments, each corresponding to a labeled slot on the lid, clearly showing ID, OD, length, and quantity for quick selection; (Tip: Choose a round spacer shorter than your screw length for proper installation)