This pack of 50 flat washers is a high-quality hardware accessory for any project requiring a 6mm hole size and 1.75mm thickness. The washers are made of durable zinc-plated steel, ensuring longevity and resistance to wear and tear. The interior diameter of the washer measures 8.5mm, and the overall diameter is 11.97mm. These washers are perfect for any industrial or DIY project and comply with California Prop 65 regulations. The HJS Germany brand is known for producing high-quality hardware, and these washers are no exception. The model number is M6, and they are sold by the seller Hazem. Add these reliable, long-lasting washers to your toolbox today.