A professional straight-shaft trimmer with a 2:1 high-torque gearbox that delivers roughly 28% more torque than the SRM-225, so it powers through heavier growth. A two-stage air filter stretches the time between cleanings.

• Engine: 21.2 cc 2-stroke

• Gearbox: 2:1 high torque

• Shaft: 59 in. straight

• Cutting swath: 17 in.

• Head: Speed-Feed 400

• Dry weight: 12.2 lb

• Warranty: 5-year consumer / 2-year commercial