This heavy duty, easy to use T-Mech 4-stroke Petrol Post Driver/Jack Hammer has a high impact hammer action of 700~1350 rpm. Capable of knocking posts, stakes or pegs into the ground within a matter of seconds - this is the perfect choice for driving posts, fencing posts, signs and much more. Forget the back-breaking work of manually hammering and knocking fence posts into the ground, this powerful tool has a 37.7cc engine making light work of the job. It's new and improved design means that it is much more comfortable to use, whilst having a higher impact power. Effortlessly portable this post driver comes with a carry case with wheels and can be easily stored after use. Product Features: * 900W, 4 Stroke, 37.7cc, single cylinder, air cooled engine * Includes different size socket retainers * Side handles allow complete control during operation * FREE 4 attachments (100mm-Aluminium, 70-80mm-50-69mm and 20-49mm in plastic) * FREE tube of grease to maintain the post driv