This pruner has a unique lever action providing noticable additional cutting power. The lever action increases user capability, even when growth is tough. The carbon steel blade is coated for rust resistance and friction reduction . Easily sharpened when necessary. The handles have soft TPR grips for comfort and safety. The catch is thumb operated, simply squeeze the handles slightly and move the catch backwards to open. AN AWARD WINNER. Sharpen all pruners with our Award Winning DP100 Diamond Sharpener Fine grade.