Troy-Bilt TB2040 XP 27cc 2-Cycle 17-Inch Gas Straight Shaft Trimmer with JumpStart Technology This gas trimmer's straight shaft design provides extended reach under shrubs and bushes Premium 27cc 2-cycle full-crank engine is easy to start and has less vibration than other engines Can be easily started by pulling the SpringAssist cord or by using a JumpStart engine starter The SpeedSpool Pro bump head holds more than 20 feet of line and can be loaded easily Attachment-capable design allows the trimmer engine to power 10 different TrimmerPlus attachments, turning your trimmer into a garage full of tools