Professional Spiked Wedges- A cutting wedge is almost as essential to tree felling and bucking as a chainsaw. Each 5.5-inch (14 cm) felling wedge for tree cutting with 12 angled spikes, trees can be cut down with less effort. Guide The Direction of Falling- Help the tree fall in the safest direction of the notch cut by actually lifting the tree in that direction. Working for medium and large trees; keep you and your team safe and gives you more control over your work. Durability;Longevity-- Made from impact-resistant heavy-duty ABS plastic, these safety tree felling wedges are stronger, more rigid, and have higher dimensional stability and creep strength. Can withstand extreme weather and temperatures and are highly stable under heavy loads, wont damage your chainsaw or logging chai during accidental hits. Easy Operation - Simply drive the wedge into a back cut as soon as there is space behind the saw and finish cutting; The tree wedge will create a mechanical lifting force that pushes the center of gravity for the tree away from you in the direction you intend. Warm Notice - Always wear safety glasses and other personal protective equipment when felling; Wedges are not designed for splitting firewood.