The sbc 700 ae cordless brush cutter from stiga includes both a 3 tooth brush cutter which is ideal for hardier vegetation and a tap and go trimmer head'. '.strtoupper('s')imply bump the head on the ground to release more line'. '.strtoupper('p')erfect for trimming down long grass. battery powered garden machinery is ideal as it allows you to have the freedom to work away from power sources without trailing cables whilst also being quiet, emission free and incredibly cost effective'. '.strtoupper('s')tiga recommend the 4ah battery to power this brush cutter which gives approximately 60 minutes of running time depending on cutting conditions. please note battery and charger not included available as optional extras. specificationmodel sbc 700 ae barepower 48v lithium ion batterymotor 500w brushlessmax motor speed 6000 rpmcutting width 38cmcutting angle fixednylon line diameter 2mmnylon line length 4 mblade 3t arcblade diameter 255mmhandle adjustable soft grip loopshaft type straightshaft tube diameter 25mmharness singleweight 3.1 kgwarranty 2 year domestic