Echo SRM-211SB Operator's Manual page 17

Plastic and Nylon Blades Require "Blade Conversion Kit," P/N 99922200415
(metal shield [A] and shoulder harness [B]).
Steel/Metal Blades Require:
"Combination Blade" and "U-Handle Kit" P/N 99944200521.
Choosing the Correct Blade
The type of Blade used MUST be matched to the type and size of material cut. An improper or dull blade can cause
serious personal injury. Blades MUST be sharp. Dull blades increase the chance of kick out and injury to yourself
and bystanders.
Plastic/Nylon Blades may be used where ever the nylon line head
is used. DO NOT use this blade for heavy weeds or brush!
G
RASS
A
WARNING
T /B
RIMMER RUSH
O
PERATOR
B
DANGER
C
UTTER
17
' M
S ANUAL