MATERIAL: Made of high quality 304 stainless steel, not easy to rust, anti-moisture, anti-oxiclation, corrosion resistant, acid/alkali resistance high hardness spring washers.
SUITABLE FOR: Automotive, furniture, decoration and other electrical and industrial products, suitable for a variety of occasions, it can be used in air conditioning, fire fighting, gas, etc. Prevent screw loosening or disperse pressure.
PLASTIC HEAT SEAL PACKAGING: Practical and convenient of packing box, All of washersare packed in a durable and sturdy box, this box can be use for a storage box.
DURABLE DIVIDED STORAGE CASE: All washers are packed in the box with size label and divider, easy to store and won't mix up.