Saws, knives, shears, and loppers trim back overgrowth and prune dead branches on trees and shrubs. Tree pruners and pole saws extend their cutting head to reach high tree branches from the ground. Pruning and bow saws have coarse teeth to make fast, aggressive cuts through branches, logs, and brush. Pruning knives make precision cuts and perform grafting on vines, shrubs, and other greenery. Garden shears and loppers concentrate their cutting force in bladed jaws that slice through stems and branches.