The ruler is made for accurately placing diamonds to your diamond painting canvas. It is made with flexible stainless steel and a patterned mesh for diamonds. Use this to line up the perfect diamond placement directly on the diamond painting canvas without the ruler becoming stuck. Take diamond painting to the next level with this ruler! Details: Silver Available in different styles 5.9" x 1.18" (15cm x 3cm) Helps place and line diamonds on canvas Stainless steel mesh