The AL-KO BCA 4030 Energy Flex brush cutter attachment is for use with the MT40 cordless power unit (not supplied). The brush cutter incorporates both an automatic feed nylon head for trimming and metal brush cutting blade for denser conditions. The bump feed nylon head is pre-loaded with 1.5mm cutting line which is fed when the power unit is switched on. The BCA4030 also comes with an auxiliary handle with movement limiter.The power unit, battery and charger are sold separately.Specifications:Power: 40vNylon head cutting width: 30 cm with 1.5mm lineCutting Blade: 23 cmWeight With Battery: 4.2kg Warranty: 2 Year