Drive-in post spikes offer a fast and simple method for installing fencing and garden posts, eliminating the need for digging or concrete. This bolt-secure version includes two 8mm carriage bolts that firmly clamp the post in place, preventing movement and accommodating variations in post size. The design also allows for post removal if necessary. Specifications include M8 x 35mm carriage bolts, an M8 Nylon - Type T nut, and a carbon steel material. The finish is Oxide Red powder coated, and the spike length is 450mm, suitable for 50 x 50mm posts.