Description; With an 18" bar and chain, the GS181 Chainsaw powers through every job, from routine maintenance to felling trees. The brushless motor provides high torque, zero-maintenance, and zero-exhaust all while decreasing vibrations and noise levels. This tough, powerful, and lightweight chainsaw is ideal for cutting firewood, trimming and felling trees, or doing tough forestry work. KEY FEATURES Provides expected power and torque of a 50cc gas engine with the more reliable, efficient and lower cost to operate brushless electric motor. Steel Bucking Spikes - Provide leverage for easier, more controlled sawing. Automatic oiler applies oil to bar and chain when needed to ensure durability and optimal use with a translucent oil tank for clear view of oil level. Advanced electronic control optimizes battery performance both in tool and charger. Recommended Battery for Maximum Performance: GL400BT (battery sold separately) Recommended Charger: GC400 or GC420 (chargers sold separately) 2 Year Tool Warranty SPECIFICATIONS Bar Length: 18 in. table { width: 100%; border-collapse: collapse; text-align: center; border: 1px solid black } td, th { border: 1px solid #dddddd; padding: 8px; } Width Weight Height Length 0Inch 0Gram 0Inch 18Inch