The Ryobi RPP750S Extending Pole Pruner has a 20cm (8 inch) guide bar with tool free chain tensioning. It is powered by a 750W mains electric motor driving a fast 10m/sec chain speed for a fast, clean cut. The guide bar & cutting chain are both made by Oregon who manufacture the worldメs most popular guide bars & saw chains. The length extends to 2.7m with the centre shaft & can reach up to 4m high. The blade is set at a 15 degree angle for easier & safer cutting of branches & has automatic chain gear lubrication. The live tool indicator glows blue when it is plugged in to a mains power supply. Specifications Model: RPP 750 S Motor: 750w mains electric Bar & Chain: 20cm Extended Length: 2.7m Blade Angle: 15ᄚ Automatic Chain Lubrication Chain Speed: 10 m/s Removable shaft for convenient storage Weight: 3.8kg Warranty: Manufacturer's 2 year