Craftsman 172.79957 Operator's Manual page 9

Your hedge trimmer has many built-in convenience features for fast, efficient
cutting. These features include the trigger switch with a saftey switch to
prevent accidental starts. Both must be pressed to start unit.
Fig. 1
Trigger Switch
Saftey Switch
Cord
Cord
Retainer
Guard
\
Two Screws
to attach Guard
Blade Length 22 inches
Speed (Cutting Strokes per Minute) 3000
Cutting Capacity 3/4-inch
Cutting Action Dual
Power Requirement 120-volt, 60 Hertz AC
9