Fit for the following model:
316791960 Trimmer
316711930 Trimmer
316791210 Trimmer
316791700 Trimmer
316791840 Trimmer
316791841 Trimmer
316791931 Trimmer
316791932 Trimmer
316773800 Edger
316299372 Cultivator
Fit for Ryobi:
2 Cycle 25.4cc Full Crank model
RY252CS 25cc Curved Shaft String Trimmer
RY253SS 25cc Straight Shaft String Trimmer
RY251PH 25cc String Trimmer Power Head
RY254BC 25cc Brush Cutter/Trimmer
Compatible with Ryobi RY252CS RY253SS RY251PH RY254BC models 2 Cycle 25cc Engine
Fit for Sears Yard Machines Troy Bilt Cub Cadet Bolens Remington Lawn Mower 2 Cycle 25cc Trimmer / Brush Cutter