To install a heavy duty line post using our ground sleeve system, you will need a driving cap to create a safe surface on the sleeve so that you may pound it into the ground. Bending or breakage could occur by pounding directly on the sleeve that could render the sleeve unusable--inserting a drive cap into the top of the sleeve will protect it, and make installation much easier. It is recommended that you use a new driver cap every 21 line posts as the cap will start to lose its' shape. This 1 3/8 inch drive caps is only compatible with our 1 3/8 inch sleeves.

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