Exqutoo 300Pcs ABS Round Spacers,ID 3mm,OD 7mm;4mm, 8mm; 5mm, 9mm;6mm, 11mm

300Pcs Round Spacer Kit: Includes 300pcs in multiple sizes: ID 3.2mm (OD 7mm, lengths 3/6/10/18/25mm, 100pcs), ID 4.2mm (OD 8mm, lengths 5/8/15/20mm, 70pcs), ID 5.45mm (OD 9mm, lengths 3/6/10/18/25mm, 80pcs), ID 6.2mm (OD 11mm, lengths 5/8/15/20mm, 50pcs); Perfect for PCB boards, sockets, and DIY projects | 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/4.2mm/5.45mm/6.2mm, suitable for M3M4M5M6 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 18 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)