Model CHTZ2400 features double-sided, 24-in., dual reciprocating blades, with 1.62-in. pitch, as well as reinforced gear case. Runs on 23.6-cc., 2-cycle Strato-Charged engine, which complies withand other clean-air standards, without requiring a catalytic converter. Trimmer components introduce fresh air into engine, between exhaust gases and fresh charges of air and fuel mixture. For user safety and comfort, ergonomic handle rotates to desired position, and trimmer grips resemble those on chain saws. Four-point, anti-vibration system reduces operator fatigue. Overall weight is 12 lbs. Also available with 30-in. blade.