WORX WG320 Cordless 6 in. 20-volt MAX Lithium JawSaw is the safe . hassle-free way to cut and trim branches and limbs. Conveniently lightweight and portable . it’s designed to operate directly on the ground or pavement. Its steel teeth hold branches securely in place while cutting. It also allows for one-handed operation . which means no more bending over or squatting to cut limbs on the ground. Features include Auto-tension feature guarantees optimum tension of chain . Automatic chain lubrication . Oil level indicator and Lock pin provided to keep blade extended for service mode