To operate Model Hs8365S, user must simultaneously depress dual safety switches. When user releases either safety switch, blades stop within .05 secs. Hand guard reduces scratches and insulation safeguards against electric shock. S-automatic safety clutch protects motor and gearing from kick back when user encounters obstacles such as wire fences or concrete walls. Features 26-in., double-sided, hardened-steel blades that reciprocate in opposite directions; 53-in./lb. maximum torque; 11/8-in. space between cutters; and 30 blade angle. Operates at 3,200 strokes per min. Trimmer is rated at 4.4 amps and 500 input watts. Handles -in. twig size. Measures 32 ins. overall and weighs 8 lbs.