about this item LAMESK5 HIGH CARBON STEEL BLADES - Quality blade made of SK-5 high carbon steel with chrome plating technology. SK5 carbon steel blades are super strong, sharper and stay sharper than your regular blade and last even longer No more worrying about a pruning scissor blade that might go dull after just a few cuts . FREE CUTTING BY PULLEY MECHANISM - Pulley design and spring-loaded mechanism easily cut through branches with less effort. As you squeeze the pulley pruning scissors, the pulley will scroll, providing ever-increasing pressure as you cut, thus decreasing the force you need to apply to the handle. COMFORTABLE ERGONOMIC DESIGN - Ergonomic non-slip handles are solid, comfortable and light at only 185 g. WORK AND SAFETY - The safety lock can be released with one hand. The perfect pruning scissors for ladies and small hands. 100% RISK FREE MONEY BACK GUARANTEE - We offer lifetime warranty, if the scissors have any quality problem, please contact us, send your part number. order and take some pictures of the product to us, we will provide you with a replacement as soon as possible.