Material:304 Stainless Steel (Durable and is of better corrosion resistant.Work well in damp room and outdoor environment)
Size:M4 Quantity:20
Surface:Wire drawing surface,comfortable hand feel.
Widely used in various area:construction, power equipment,home improvement and others.
Attention:we provide different sizes for different needs.Detailed size information are shown in the picture.Please refer to the picture to choose suitable size