PROFESSIONAL SECATEURS:Ratchening mechanism garden shears;maximizes leverage for increased pruning power;46% less effort;maximum cutting capacity of 35mm diamater. CONSIDERATE DESIGN:Handles are ergonomically desigened comfortable and anti-slip.the safety lock helps preventing accidental injuries.. SAFETY LOCK:With high comfortable locking mechanism;easy grip handles;fits for gardeners with weak hands hand fatigue carpal tunnel or arthritis.also for left handed gardeners.. HIGH CARBON STEEL:Made of SK-5 steel this garden pruning shears is sturdy and durable.There's no need to worry about the blade bending or wrecking Pruning shears sharp and sturdy to give you good clean cuts.. GEAR MECHANISM:High loadability and perfect transmission by means of a secure gear mechanism with less force during cutting.