These heavy duty lag screws are used for decking, docks and multiple other anchoring applications. Often used as replacement tent stakes, the economical 50 pieces per pack is much cheaper than traditional tent anchors and is great for anchoring tents, shelters, gazebos, temporarily or permanently. The lag screw is a heavy duty zinc plated with a 3/8" thread diameter. The screw is 14" long (about 7" of which is threaded). The hex size is 9/16". Can be used as tent stakes, tarp hooks, canopy anchors, etc. Installs securely and easily into grass, sand, dirt, and clay with a cordless impact tool and can be just as easily removed and reused. Mounts flush to the ground to prevent a tripping hazard