Features:
1.Made of high quality stainless steel, not easy to deform and rust. High hardness, can be used for a long time.
2.Suitable for tightening bolts or screws.

Specification:
Material: stainless steel
Inner diameter 0.29"
Outside diameter 0.627"
Thickness 0.062"
Colour: Silver

Package contains:
50 x 7/16 flat washers

Notices
1.Since the size is manually measured, please allow an error of 1-2mm
2.The color of the product may vary slightly due to photography & your screen