Echo 66.8CC CHAINSAW W/24" B&C CS-680-24Description: When a paycheck depends on performance, the pros reach for the CS 680. With 66. 8 ccs of professional grade ECHO power and available 20, 24 and 27 in. Performance Cutting System bar upgrades, it cuts the toughest jobs down to size. TOP FEATURES 66. 8 cc professional grade, 2 stroke engine Performance Cutting System Aluminum handle with rubber grip Features: Extreme Echo Power: 66. 8 cc professional grade, 2 stroke engine for outstanding