edge right - hammer-in landscape edging - 48 inch strips - 14-gauge cor-ten steel - 8 inch depth (5 pack) edge right edge right is the ultimate grass edging that will last a lifetime. unlike other brands edge right has teeth that slice through dirt with ease when hammered into the ground. the deep barrier keeps grass from sneaking under and infiltrating your flower beds, giving you more time to enjoy your weekends! <br><br><b>installation:</b> for best results run along your installation line with an edger to provide a guide when inserting. insert the border and pound in with a hammer. in order to avoid damage to the metal use a wood block rather than hitting the metal directly. install as deep as you wish, most grass rhizomes stay in the top 2 inches of soil. use caution where you install edge right, above ground edging can be a tripping hazard. <br><br><b>about cor-ten steel:</b> this product uses 100% a606-t4 weather steel, also known as cor-ten. cor-ten is known for it's high tensile strength and unique weathering ability. cor-ten forms a protective rust coating that regenerates when continuously subject to the weather. <br><br><b>sealing edge right to prevent rust:</b> if you wish to protect the metal surface from rusting, we recommend two products. floetrol by owatrol, or everbrite. before applying either product, be sure to thoroughly clean and dry the surface.