Built for machine builders who demand precise coil alignment and clean assembly. Lucky Supply's 3/8" Thin Round Coil Washers are designed to provide subtle spacing adjustments beneath tattoo machine coils without significantly altering machine geometry. Their thin profile makes them ideal for fine-tuning coil height, correcting minor alignment issues, and achieving a consistent setup during machine assembly. Whether you're building a new machine, restoring a vintage frame, or making small tuning adjustments, these washers offer a simple and reliable way to dial in your coil placement. Manufactured to consistent dimensions and available in multiple finishes, they're an essential hardware item for any machine builder's bench. Features 3/8" round coil washer Thin profile for precise spacing adjustments Helps maintain proper coil alignment Ideal for machine building, tuning, and restoration Available in multiple finishes Consistent dimensions for reliable installation Made in the USA Common Uses Coil mounting and alignment Fine-tuning coil height Correcting minor spacing variations Tattoo machine repair and restoration Custom coil machine builds Replacing worn or damaged coil washers