Power-Lever technology multiplies leverage 2X for more cutting power for trimming and shaping hedges and decorative shrubs. Self-sharpening 10 In. blades cut all the way to the tip. Extendable handles make high, hard-to-reach or awkward cuts easy. Locks flip up to extend the handles and flip down to securely lock the handles at the perfect length. Shock-absorbing bumpers help reduce the jarring conclusion at the end of cuts. Steel construction provides lasting durability. Lifetime warranty.