Hand pruners, also called secateurs, help reign in plants that are getting out of control and taking over. Pruners cut with a sharp blade meeting a flat surface, similar to a knife on a board. Bypass pruners cut with a sharp blade passing by a sharp-edged flat surface, more like scissors. Best for dead wood and can cause crush injuries to fresh, green stems and branches. pruners are better for live plants and green wood. Pruners should fit easily in the palm of your hand. pruners provide increased cutting strength, perfect for anyone with reduced hand strength. For cleaner cuts and less injury to plants, pruners should be sharpened regularly.