Premium Material: Made from super strong plastic, which can resist chipping and breaking. Pack of 1 10" Tree Felling Wedge high viscosity are perfect for cutting trees, buckling, felling chainsaw blocks. Easy to use. Effective Spiked Shaft Wedges-- Smooth on one side, serrated barbs on the other side to hold the abs in place in the shaft when trimming trees. Tree cutting wedges help direct the direction your tree will fall to make it safer and easier to work on different sizes of trees. Durable and Safe-- Construction plastic is soft enough not to damage your log chain if it accidentally comes into contact with the chainsaw wedge, and helps the tree fall in the safest direction to protect you. Note : The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be color differences, please refer to the actual item received.