ProjectMaster Metric Flat & Lock Washer 350pc Kit

Designed for both indoor and outdoor use, these durable washers deliver reliable performance in mechanical, structural, and household applications. The sturdy, compartmentalized box keeps washers neatly organized by metric size, ensuring quick identification and an efficient workflow. Perfect for professionals and DIY enthusiasts alike, this kit is a versatile addition to any toolbox or workshop.

• Includes a wide range of millimeter‑sized flat and lock washers ideal for machinery repair, automotive work, furniture assembly, and general fastening projects.
• High‑strength washers provide reliable performance and long‑lasting support in mechanical, structural, and household applications.
• Protective finish helps prevent rust and wear, ensuring dependable use in indoor and outdoor environments.
• Flat washers distribute load and protect surfaces, while lock washers deliver secure, vibration‑resistant holding power.
• Sturdy, compartmentalized box keeps washers neatly sorted by metric size for quick identification and efficient workflow.