Twist and edge button twists lower part of unit into edging position. Centrex automatic head, fully automatic line advance. Adjustable assist handle slides up and down pole and tightens with wing-nut. Edge guide, line limiter blade, trigger switch, recessed plug and cord retainer for ease. SPECIFICATIONS: 4.5 amp motor, spool takes up to 25 ft of 0.065 in diameter line. 5.9 lb. unit weight. CUL & UL Listed.