FEATURES:

They are perfect for camping,hunting,fishing,boat,automobile covers,swimming pool cover,dry wood covers,plant waining and more.

SPECIFICATIONS:

• Put the fastener under the canvas with the thread rod pointing to the up-side 
• Press the canvas with two thumbs
• Threaded rod will protect the canvas or use the awl to to make the hole in advance
• Tighten the up-cap and fix it